diff --git a/generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt b/generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt
index 356eb8b4300..2169d487803 100644
--- a/generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt
+++ b/generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt
@@ -1106,6 +1106,7 @@ fun main(args: Array<String>) {
             testClass<AbstractHighLevelQuickFixTest> {
                 val pattern = "^([\\w\\-_]+)\\.kt$"
                 model("quickfix/modifiers", pattern = pattern, filenameStartsLowerCase = true, recursive = false)
+                model("quickfix/override/typeMismatchOnOverride", pattern = pattern, filenameStartsLowerCase = true, recursive = false)
             }
         }
 
diff --git a/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/KtQuickFixesList.kt b/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/KtQuickFixesList.kt
index d216b510e4e..51d40922c8d 100644
--- a/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/KtQuickFixesList.kt
+++ b/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/KtQuickFixesList.kt
@@ -18,8 +18,16 @@ annotation class ForKtQuickFixesListBuilder()
 class KtQuickFixesListBuilder private constructor() {
     val quickFixes = mutableMapOf<KClass<out KtDiagnosticWithPsi<*>>, MutableList<QuickFixFactory>>()
 
-    inline fun <reified PSI : PsiElement, reified D : KtDiagnosticWithPsi<PSI>> register(quickFixFactory: QuickFixFactory) {
-        quickFixes.getOrPut(D::class) { mutableListOf() }.add(quickFixFactory)
+    inline fun <reified PSI : PsiElement, reified DIAGNOSTIC : KtDiagnosticWithPsi<PSI>> register(
+        quickFixFactory: QuickFixesPsiBasedFactory<PSI>
+    ) {
+        quickFixes.getOrPut(DIAGNOSTIC::class) { mutableListOf() }.add(quickFixFactory)
+    }
+
+    inline fun <reified PSI : PsiElement, reified DIAGNOSTIC : KtDiagnosticWithPsi<PSI>> register(
+        quickFixFactory: QuickFixesHLApiBasedFactory<PSI, DIAGNOSTIC>
+    ) {
+        quickFixes.getOrPut(DIAGNOSTIC::class) { mutableListOf() }.add(quickFixFactory)
     }
 
     @OptIn(ForKtQuickFixesListBuilder::class)
diff --git a/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/MainKtQuickFixRegistrar.kt b/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/MainKtQuickFixRegistrar.kt
index 9c65bf68da5..615c2dc9126 100644
--- a/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/MainKtQuickFixRegistrar.kt
+++ b/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/MainKtQuickFixRegistrar.kt
@@ -12,6 +12,7 @@ import org.jetbrains.kotlin.lexer.KtToken
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.psi.KtCallableDeclaration
 import org.jetbrains.kotlin.psi.KtModifierListOwner
+import org.jetbrains.kotlin.psi.KtNamedDeclaration
 
 class MainKtQuickFixRegistrar : KtQuickFixRegistrar() {
     private val modifiers = KtQuickFixesListBuilder.register {
@@ -28,7 +29,15 @@ class MainKtQuickFixRegistrar : KtQuickFixRegistrar() {
         )
     }
 
+    private val overrides = KtQuickFixesListBuilder.register {
+        register(ChangeTypeQuickFix.changeFunctionReturnTypeOnOverride)
+        register(ChangeTypeQuickFix.changePropertyReturnTypeOnOverride)
+        register(ChangeTypeQuickFix.changeVariableReturnTypeOnOverride)
+
+    }
+
     override val list: KtQuickFixesList = KtQuickFixesList.createCombined(
         modifiers,
+        overrides,
     )
 }
\ No newline at end of file
diff --git a/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/QuickFixesHLApiBasedFactory.kt b/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/QuickFixesHLApiBasedFactory.kt
new file mode 100644
index 00000000000..51f462df737
--- /dev/null
+++ b/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/QuickFixesHLApiBasedFactory.kt
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.quickfix
+
+import com.intellij.codeInsight.intention.IntentionAction
+import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.idea.frontend.api.KtAnalysisSession
+import org.jetbrains.kotlin.idea.frontend.api.diagnostics.KtDiagnosticWithPsi
+
+abstract class QuickFixesHLApiBasedFactory<PSI : PsiElement, DIAGNOSTIC : KtDiagnosticWithPsi<PSI>> : QuickFixFactory {
+    final override fun asKotlinIntentionActionsFactory(): KotlinIntentionActionsFactory {
+        error("Should not be called. This function is not considered to bue used in FE10 plugin, from FIR plugin consider using createQuickFix")
+    }
+
+    abstract fun KtAnalysisSession.createQuickFix(diagnostic: DIAGNOSTIC): List<IntentionAction>
+}
+
+
+inline fun <PSI : PsiElement, DIAGNOSTIC : KtDiagnosticWithPsi<PSI>> quickFixesHLApiBasedFactory(
+    crossinline createQuickFix: KtAnalysisSession.(DIAGNOSTIC) -> List<IntentionAction>
+) = object : QuickFixesHLApiBasedFactory<PSI, DIAGNOSTIC>() {
+    override fun KtAnalysisSession.createQuickFix(diagnostic: DIAGNOSTIC): List<IntentionAction> =
+        createQuickFix(diagnostic)
+}
\ No newline at end of file
diff --git a/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/fixes/ChangeReturnTypeOnOverrideQuickFix.kt b/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/fixes/ChangeReturnTypeOnOverrideQuickFix.kt
new file mode 100644
index 00000000000..ecb512cd7c9
--- /dev/null
+++ b/idea/idea-fir/src/org/jetbrains/kotlin/idea/quickfix/fixes/ChangeReturnTypeOnOverrideQuickFix.kt
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.quickfix.fixes
+
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.project.Project
+import com.intellij.psi.util.parentOfType
+import org.jetbrains.kotlin.idea.frontend.api.KtAnalysisSession
+import org.jetbrains.kotlin.idea.frontend.api.components.KtTypeRendererOptions
+import org.jetbrains.kotlin.idea.frontend.api.diagnostics.KtDiagnosticWithPsi
+import org.jetbrains.kotlin.idea.frontend.api.fir.diagnostics.KtFirDiagnostic
+import org.jetbrains.kotlin.idea.frontend.api.symbols.*
+import org.jetbrains.kotlin.idea.frontend.api.types.KtType
+import org.jetbrains.kotlin.idea.frontend.api.types.isUnit
+import org.jetbrains.kotlin.idea.quickfix.ChangeCallableReturnTypeFix
+import org.jetbrains.kotlin.idea.quickfix.KotlinQuickFixAction
+import org.jetbrains.kotlin.idea.quickfix.quickFixesHLApiBasedFactory
+import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.types.checker.KotlinTypeChecker
+
+
+class ChangeTypeQuickFix internal constructor(
+    declaration: KtCallableDeclaration,
+    private val typeInfo: TypeInfo,
+    private val updateBaseFunction: Boolean
+) : KotlinQuickFixAction<KtCallableDeclaration>(declaration) {
+    override fun getText(): String {
+        val element = element ?: return ""
+        val functionPresentation = when {
+            updateBaseFunction -> {
+                val containerName = element.parentOfType<KtNamedDeclaration>()?.nameAsName?.takeUnless { it.isSpecial }
+                ChangeCallableReturnTypeFix.StringPresentation.baseFunctionOrConstructorParameterPresentation(element, containerName)
+            }
+            else -> null
+        }
+        return ChangeCallableReturnTypeFix.StringPresentation.getTextForQuickFix(
+            element,
+            functionPresentation,
+            typeInfo.isUnit,
+            typeInfo.short
+        )
+    }
+
+    override fun getFamilyName(): String = ChangeCallableReturnTypeFix.StringPresentation.familyName()
+
+    override fun invoke(project: Project, editor: Editor?, file: KtFile) {
+        val element = element ?: return
+        if (!element.isProcedure()) {
+            val newTypeRef = KtPsiFactory(project).createType(typeInfo.short)
+            element.typeReference = newTypeRef
+        } else {
+            element.typeReference = null
+        }
+    }
+
+    private fun KtCallableDeclaration.isProcedure() =
+        typeInfo.isUnit && this is KtFunction && hasBlockBody()
+
+    internal data class TypeInfo(
+        val qualified: String,
+        val short: String,
+        val isUnit: Boolean,
+    )
+
+    companion object {
+        val changeFunctionReturnTypeOnOverride =
+            ChangeTypeQuickFixFactory.changeReturnTypeOnOverride<KtNamedDeclaration, KtFirDiagnostic.ReturnTypeMismatchOnOverride> {
+                it.function as? KtFunctionSymbol
+            }
+
+        val changePropertyReturnTypeOnOverride =
+            ChangeTypeQuickFixFactory.changeReturnTypeOnOverride<KtNamedDeclaration, KtFirDiagnostic.PropertyTypeMismatchOnOverride> {
+                it.property as? KtPropertySymbol
+            }
+
+        val changeVariableReturnTypeOnOverride =
+            ChangeTypeQuickFixFactory.changeReturnTypeOnOverride<KtNamedDeclaration, KtFirDiagnostic.VarTypeMismatchOnOverride> {
+                it.variable as? KtPropertySymbol
+            }
+    }
+}
+
+private object ChangeTypeQuickFixFactory {
+    inline fun <PSI : KtNamedDeclaration, DIAGNOSTIC : KtDiagnosticWithPsi<PSI>> changeReturnTypeOnOverride(
+        crossinline getCallableSymbol: (DIAGNOSTIC) -> KtCallableSymbol?
+    ) = quickFixesHLApiBasedFactory<PSI, DIAGNOSTIC> { diagnostic ->
+        val declaration = diagnostic.psi as? KtCallableDeclaration ?: return@quickFixesHLApiBasedFactory emptyList()
+        val callable = getCallableSymbol(diagnostic) ?: return@quickFixesHLApiBasedFactory emptyList()
+        listOfNotNull(
+            createChangeCurrentDeclarationQuickFix(callable, declaration),
+            createChangeOverriddenFunctionQuickFix(callable),
+        )
+    }
+
+    fun <PSI : KtCallableDeclaration> KtAnalysisSession.createChangeCurrentDeclarationQuickFix(
+        callable: KtCallableSymbol,
+        declaration: PSI
+    ): ChangeTypeQuickFix? {
+        val lowerSuperType = findLowerBoundOfOverriddenCallablesReturnTypes(callable) ?: return null
+        val changeToTypeInfo = createTypeInfo(lowerSuperType)
+        return ChangeTypeQuickFix(declaration, changeToTypeInfo, updateBaseFunction = false)
+    }
+
+    fun KtAnalysisSession.createChangeOverriddenFunctionQuickFix(
+        callable: KtCallableSymbol
+    ): ChangeTypeQuickFix? {
+        val type = callable.annotatedType.type
+        val singleNonMatchingOverriddenFunction = findSingleNonMatchingOverriddenFunction(callable, type) ?: return null
+        val singleMatchingOverriddenFunctionPsi = singleNonMatchingOverriddenFunction.psiSafe<KtCallableDeclaration>() ?: return null
+        val changeToTypeInfo = createTypeInfo(type)
+        return ChangeTypeQuickFix(singleMatchingOverriddenFunctionPsi, changeToTypeInfo, updateBaseFunction = true)
+    }
+
+    private fun KtAnalysisSession.findSingleNonMatchingOverriddenFunction(
+        callable: KtCallableSymbol,
+        type: KtType
+    ): KtCallableSymbol? {
+        val overriddenSymbols = callable.getOverriddenSymbols()
+        return overriddenSymbols
+            .singleOrNull { overridden ->
+                overridden.origin != KtSymbolOrigin.INTERSECTION_OVERRIDE && !type.isSubTypeOf(overridden.annotatedType.type)
+            }
+    }
+
+    fun KtAnalysisSession.createTypeInfo(ktType: KtType) = ChangeTypeQuickFix.TypeInfo(
+        qualified = ktType.render(),
+        short = ktType.render(KtTypeRendererOptions.SHORT_NAMES),
+        isUnit = ktType.isUnit
+    )
+
+    private fun KtAnalysisSession.findLowerBoundOfOverriddenCallablesReturnTypes(symbol: KtCallableSymbol): KtType? {
+        var lowestType: KtType? = null
+        for (overridden in symbol.getOverriddenSymbols()) {
+            val overriddenType = overridden.annotatedType.type
+            when {
+                lowestType == null || overriddenType isSubTypeOf lowestType -> {
+                    lowestType = overriddenType
+                }
+                lowestType isNotSubTypeOf overriddenType -> {
+                    return null
+                }
+            }
+        }
+        return lowestType
+    }
+}
diff --git a/idea/idea-fir/tests/org/jetbrains/kotlin/idea/quickfix/HighLevelQuickFixTestGenerated.java b/idea/idea-fir/tests/org/jetbrains/kotlin/idea/quickfix/HighLevelQuickFixTestGenerated.java
index 183e35c986a..7a8e975175d 100644
--- a/idea/idea-fir/tests/org/jetbrains/kotlin/idea/quickfix/HighLevelQuickFixTestGenerated.java
+++ b/idea/idea-fir/tests/org/jetbrains/kotlin/idea/quickfix/HighLevelQuickFixTestGenerated.java
@@ -17,320 +17,436 @@ import java.util.regex.Pattern;
 
 /** This class is generated by {@link org.jetbrains.kotlin.generators.tests.TestsPackage}. DO NOT MODIFY MANUALLY */
 @SuppressWarnings("all")
-@TestMetadata("idea/testData/quickfix/modifiers")
-@TestDataPath("$PROJECT_ROOT")
 @RunWith(JUnit3RunnerWithInners.class)
 public class HighLevelQuickFixTestGenerated extends AbstractHighLevelQuickFixTest {
-    private void runTest(String testDataFilePath) throws Exception {
-        KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
+    @TestMetadata("idea/testData/quickfix/modifiers")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class Modifiers extends AbstractHighLevelQuickFixTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
+        }
+
+        @TestMetadata("abstractModifierInEnum.kt")
+        public void testAbstractModifierInEnum() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/abstractModifierInEnum.kt");
+        }
+
+        @TestMetadata("addLateinit.kt")
+        public void testAddLateinit() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/addLateinit.kt");
+        }
+
+        public void testAllFilesPresentInModifiers() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("idea/testData/quickfix/modifiers"), Pattern.compile("^([\\w\\-_]+)\\.kt$"), null, false);
+        }
+
+        @TestMetadata("cannotMakeClassAnnotation.kt")
+        public void testCannotMakeClassAnnotation() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/cannotMakeClassAnnotation.kt");
+        }
+
+        @TestMetadata("finalTrait.kt")
+        public void testFinalTrait() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/finalTrait.kt");
+        }
+
+        @TestMetadata("illegalEnumAnnotation1.kt")
+        public void testIllegalEnumAnnotation1() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/illegalEnumAnnotation1.kt");
+        }
+
+        @TestMetadata("illegalEnumAnnotation2.kt")
+        public void testIllegalEnumAnnotation2() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/illegalEnumAnnotation2.kt");
+        }
+
+        @TestMetadata("infixModifier.kt")
+        public void testInfixModifier() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/infixModifier.kt");
+        }
+
+        @TestMetadata("kt10409.kt")
+        public void testKt10409() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/kt10409.kt");
+        }
+
+        @TestMetadata("nestedAbstractClass.kt")
+        public void testNestedAbstractClass() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/nestedAbstractClass.kt");
+        }
+
+        @TestMetadata("nestedAnnotationClass.kt")
+        public void testNestedAnnotationClass() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/nestedAnnotationClass.kt");
+        }
+
+        @TestMetadata("nestedClassNotAllowed.kt")
+        public void testNestedClassNotAllowed() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/nestedClassNotAllowed.kt");
+        }
+
+        @TestMetadata("nestedDataClass.kt")
+        public void testNestedDataClass() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/nestedDataClass.kt");
+        }
+
+        @TestMetadata("nestedEnumClass.kt")
+        public void testNestedEnumClass() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/nestedEnumClass.kt");
+        }
+
+        @TestMetadata("nestedInterface.kt")
+        public void testNestedInterface() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/nestedInterface.kt");
+        }
+
+        @TestMetadata("nestedObject.kt")
+        public void testNestedObject() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/nestedObject.kt");
+        }
+
+        @TestMetadata("nestedSealedClass.kt")
+        public void testNestedSealedClass() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/nestedSealedClass.kt");
+        }
+
+        @TestMetadata("noAbstractForAnonymousObject.kt")
+        public void testNoAbstractForAnonymousObject() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/noAbstractForAnonymousObject.kt");
+        }
+
+        @TestMetadata("noAbstractForObject.kt")
+        public void testNoAbstractForObject() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/noAbstractForObject.kt");
+        }
+
+        @TestMetadata("noLateinitOnNullable.kt")
+        public void testNoLateinitOnNullable() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/noLateinitOnNullable.kt");
+        }
+
+        @TestMetadata("noLateinitOnPrimitive.kt")
+        public void testNoLateinitOnPrimitive() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/noLateinitOnPrimitive.kt");
+        }
+
+        @TestMetadata("notAnAnnotationClass.kt")
+        public void testNotAnAnnotationClass() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/notAnAnnotationClass.kt");
+        }
+
+        @TestMetadata("openCompanionObject.kt")
+        public void testOpenCompanionObject() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openCompanionObject.kt");
+        }
+
+        @TestMetadata("openCompanionObject2.kt")
+        public void testOpenCompanionObject2() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openCompanionObject2.kt");
+        }
+
+        @TestMetadata("openMemberInFinalClass1.kt")
+        public void testOpenMemberInFinalClass1() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openMemberInFinalClass1.kt");
+        }
+
+        @TestMetadata("openMemberInFinalClass2.kt")
+        public void testOpenMemberInFinalClass2() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openMemberInFinalClass2.kt");
+        }
+
+        @TestMetadata("openMemberInFinalClass3.kt")
+        public void testOpenMemberInFinalClass3() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openMemberInFinalClass3.kt");
+        }
+
+        @TestMetadata("openMemberInFinalClass4.kt")
+        public void testOpenMemberInFinalClass4() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openMemberInFinalClass4.kt");
+        }
+
+        @TestMetadata("openModifierInEnum.kt")
+        public void testOpenModifierInEnum() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openModifierInEnum.kt");
+        }
+
+        @TestMetadata("openObject.kt")
+        public void testOpenObject() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openObject.kt");
+        }
+
+        @TestMetadata("openVarWithPrivateSetter.kt")
+        public void testOpenVarWithPrivateSetter() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/openVarWithPrivateSetter.kt");
+        }
+
+        @TestMetadata("operatorModifier.kt")
+        public void testOperatorModifier() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/operatorModifier.kt");
+        }
+
+        @TestMetadata("operatorModifierCollection.kt")
+        public void testOperatorModifierCollection() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/operatorModifierCollection.kt");
+        }
+
+        @TestMetadata("operatorModifierComponent.kt")
+        public void testOperatorModifierComponent() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/operatorModifierComponent.kt");
+        }
+
+        @TestMetadata("operatorModifierGet.kt")
+        public void testOperatorModifierGet() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/operatorModifierGet.kt");
+        }
+
+        @TestMetadata("operatorModifierInherited.kt")
+        public void testOperatorModifierInherited() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/operatorModifierInherited.kt");
+        }
+
+        @TestMetadata("overrideWithPrivateSetter.kt")
+        public void testOverrideWithPrivateSetter() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/overrideWithPrivateSetter.kt");
+        }
+
+        @TestMetadata("packageMemberCannotBeProtected.kt")
+        public void testPackageMemberCannotBeProtected() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/packageMemberCannotBeProtected.kt");
+        }
+
+        @TestMetadata("redundantOpenInInterface.kt")
+        public void testRedundantOpenInInterface() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/redundantOpenInInterface.kt");
+        }
+
+        @TestMetadata("removeAbstractModifier.kt")
+        public void testRemoveAbstractModifier() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeAbstractModifier.kt");
+        }
+
+        @TestMetadata("removeConst.kt")
+        public void testRemoveConst() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeConst.kt");
+        }
+
+        @TestMetadata("removeIncompatibleModifier.kt")
+        public void testRemoveIncompatibleModifier() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeIncompatibleModifier.kt");
+        }
+
+        @TestMetadata("removeInnerForClassInTrait.kt")
+        public void testRemoveInnerForClassInTrait() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeInnerForClassInTrait.kt");
+        }
+
+        @TestMetadata("removeModifierFromForbiddenOperatorMod.kt")
+        public void testRemoveModifierFromForbiddenOperatorMod() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeModifierFromForbiddenOperatorMod.kt");
+        }
+
+        @TestMetadata("removeModifierFromOperatorMod.kt")
+        public void testRemoveModifierFromOperatorMod() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeModifierFromOperatorMod.kt");
+        }
+
+        @TestMetadata("removeModifierFromOperatorModAssign.kt")
+        public void testRemoveModifierFromOperatorModAssign() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeModifierFromOperatorModAssign.kt");
+        }
+
+        @TestMetadata("removeProtectedModifier.kt")
+        public void testRemoveProtectedModifier() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeProtectedModifier.kt");
+        }
+
+        @TestMetadata("removeRedundantModifier1.kt")
+        public void testRemoveRedundantModifier1() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeRedundantModifier1.kt");
+        }
+
+        @TestMetadata("removeRedundantModifier2.kt")
+        public void testRemoveRedundantModifier2() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeRedundantModifier2.kt");
+        }
+
+        @TestMetadata("removeRedundantModifier3.kt")
+        public void testRemoveRedundantModifier3() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeRedundantModifier3.kt");
+        }
+
+        @TestMetadata("removeSupertype1.kt")
+        public void testRemoveSupertype1() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeSupertype1.kt");
+        }
+
+        @TestMetadata("removeSupertype2.kt")
+        public void testRemoveSupertype2() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeSupertype2.kt");
+        }
+
+        @TestMetadata("removeSupertype3.kt")
+        public void testRemoveSupertype3() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeSupertype3.kt");
+        }
+
+        @TestMetadata("removeSupertype4.kt")
+        public void testRemoveSupertype4() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/removeSupertype4.kt");
+        }
+
+        @TestMetadata("visibilityModifer1.kt")
+        public void testVisibilityModifer1() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/visibilityModifer1.kt");
+        }
+
+        @TestMetadata("visibilityModifer2.kt")
+        public void testVisibilityModifer2() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/visibilityModifer2.kt");
+        }
+
+        @TestMetadata("visibilityModiferOverrideJavaRuntime.kt")
+        public void testVisibilityModiferOverrideJavaRuntime() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/visibilityModiferOverrideJavaRuntime.kt");
+        }
+
+        @TestMetadata("visibilityModiferParameter.kt")
+        public void testVisibilityModiferParameter() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/visibilityModiferParameter.kt");
+        }
+
+        @TestMetadata("withAnnotationAndBlockComment.kt")
+        public void testWithAnnotationAndBlockComment() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/withAnnotationAndBlockComment.kt");
+        }
+
+        @TestMetadata("withAnnotationAndEolComment.kt")
+        public void testWithAnnotationAndEolComment() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/withAnnotationAndEolComment.kt");
+        }
+
+        @TestMetadata("withAnnotationAndEolComment2.kt")
+        public void testWithAnnotationAndEolComment2() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/withAnnotationAndEolComment2.kt");
+        }
+
+        @TestMetadata("withAnnotationAndEolComment3.kt")
+        public void testWithAnnotationAndEolComment3() throws Exception {
+            runTest("idea/testData/quickfix/modifiers/withAnnotationAndEolComment3.kt");
+        }
     }
 
-    @TestMetadata("abstractModifierInEnum.kt")
-    public void testAbstractModifierInEnum() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/abstractModifierInEnum.kt");
-    }
+    @TestMetadata("idea/testData/quickfix/override/typeMismatchOnOverride")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class TypeMismatchOnOverride extends AbstractHighLevelQuickFixTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
+        }
 
-    @TestMetadata("addLateinit.kt")
-    public void testAddLateinit() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/addLateinit.kt");
-    }
+        public void testAllFilesPresentInTypeMismatchOnOverride() throws Exception {
+            KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("idea/testData/quickfix/override/typeMismatchOnOverride"), Pattern.compile("^([\\w\\-_]+)\\.kt$"), null, false);
+        }
 
-    public void testAllFilesPresentInModifiers() throws Exception {
-        KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("idea/testData/quickfix/modifiers"), Pattern.compile("^([\\w\\-_]+)\\.kt$"), null, false);
-    }
+        @TestMetadata("cantChangeMultipleOverriddenPropertiesTypes.kt")
+        public void testCantChangeMultipleOverriddenPropertiesTypes() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/cantChangeMultipleOverriddenPropertiesTypes.kt");
+        }
 
-    @TestMetadata("cannotMakeClassAnnotation.kt")
-    public void testCannotMakeClassAnnotation() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/cannotMakeClassAnnotation.kt");
-    }
+        @TestMetadata("cantChangeOverriddenPropertyTypeToMatchOverridingProperty.kt")
+        public void testCantChangeOverriddenPropertyTypeToMatchOverridingProperty() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/cantChangeOverriddenPropertyTypeToMatchOverridingProperty.kt");
+        }
 
-    @TestMetadata("finalTrait.kt")
-    public void testFinalTrait() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/finalTrait.kt");
-    }
+        @TestMetadata("cantChangePropertyTypeToMatchOverridenProperties.kt")
+        public void testCantChangePropertyTypeToMatchOverridenProperties() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/cantChangePropertyTypeToMatchOverridenProperties.kt");
+        }
 
-    @TestMetadata("illegalEnumAnnotation1.kt")
-    public void testIllegalEnumAnnotation1() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/illegalEnumAnnotation1.kt");
-    }
+        @TestMetadata("cantChangeReturnTypeOfOverriddenFunction.kt")
+        public void testCantChangeReturnTypeOfOverriddenFunction() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/cantChangeReturnTypeOfOverriddenFunction.kt");
+        }
 
-    @TestMetadata("illegalEnumAnnotation2.kt")
-    public void testIllegalEnumAnnotation2() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/illegalEnumAnnotation2.kt");
-    }
+        @TestMetadata("changeOverriddenPropertyType1.kt")
+        public void testChangeOverriddenPropertyType1() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/changeOverriddenPropertyType1.kt");
+        }
 
-    @TestMetadata("infixModifier.kt")
-    public void testInfixModifier() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/infixModifier.kt");
-    }
+        @TestMetadata("changeOverriddenPropertyType2.kt")
+        public void testChangeOverriddenPropertyType2() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/changeOverriddenPropertyType2.kt");
+        }
 
-    @TestMetadata("kt10409.kt")
-    public void testKt10409() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/kt10409.kt");
-    }
+        @TestMetadata("changeOverriddenPropertyTypeFromCtorParameter.kt")
+        public void testChangeOverriddenPropertyTypeFromCtorParameter() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/changeOverriddenPropertyTypeFromCtorParameter.kt");
+        }
 
-    @TestMetadata("nestedAbstractClass.kt")
-    public void testNestedAbstractClass() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/nestedAbstractClass.kt");
-    }
+        @TestMetadata("changeOverridingCtorParameterType.kt")
+        public void testChangeOverridingCtorParameterType() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/changeOverridingCtorParameterType.kt");
+        }
 
-    @TestMetadata("nestedAnnotationClass.kt")
-    public void testNestedAnnotationClass() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/nestedAnnotationClass.kt");
-    }
+        @TestMetadata("changeOverridingPropertyTypeToFunctionType.kt")
+        public void testChangeOverridingPropertyTypeToFunctionType() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/changeOverridingPropertyTypeToFunctionType.kt");
+        }
 
-    @TestMetadata("nestedClassNotAllowed.kt")
-    public void testNestedClassNotAllowed() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/nestedClassNotAllowed.kt");
-    }
+        @TestMetadata("changeReturnTypeOfOverriddenFunction.kt")
+        public void testChangeReturnTypeOfOverriddenFunction() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/changeReturnTypeOfOverriddenFunction.kt");
+        }
 
-    @TestMetadata("nestedDataClass.kt")
-    public void testNestedDataClass() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/nestedDataClass.kt");
-    }
+        @TestMetadata("namedFunctionReturnOverrideInsideVariableInitializer.kt")
+        public void testNamedFunctionReturnOverrideInsideVariableInitializer() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/namedFunctionReturnOverrideInsideVariableInitializer.kt");
+        }
 
-    @TestMetadata("nestedEnumClass.kt")
-    public void testNestedEnumClass() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/nestedEnumClass.kt");
-    }
+        @TestMetadata("objectInsideBody.kt")
+        public void testObjectInsideBody() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/objectInsideBody.kt");
+        }
 
-    @TestMetadata("nestedInterface.kt")
-    public void testNestedInterface() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/nestedInterface.kt");
-    }
+        @TestMetadata("propertyReturnTypeMismatchOnOverride.kt")
+        public void testPropertyReturnTypeMismatchOnOverride() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/propertyReturnTypeMismatchOnOverride.kt");
+        }
 
-    @TestMetadata("nestedObject.kt")
-    public void testNestedObject() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/nestedObject.kt");
-    }
+        @TestMetadata("propertyTypeMismatchOnOverrideIntLong.kt")
+        public void testPropertyTypeMismatchOnOverrideIntLong() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/propertyTypeMismatchOnOverrideIntLong.kt");
+        }
 
-    @TestMetadata("nestedSealedClass.kt")
-    public void testNestedSealedClass() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/nestedSealedClass.kt");
-    }
+        @TestMetadata("propertyTypeMismatchOnOverrideIntUnit.kt")
+        public void testPropertyTypeMismatchOnOverrideIntUnit() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/propertyTypeMismatchOnOverrideIntUnit.kt");
+        }
 
-    @TestMetadata("noAbstractForAnonymousObject.kt")
-    public void testNoAbstractForAnonymousObject() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/noAbstractForAnonymousObject.kt");
-    }
+        @TestMetadata("returnTypeMismatchOnMultipleOverride.kt")
+        public void testReturnTypeMismatchOnMultipleOverride() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/returnTypeMismatchOnMultipleOverride.kt");
+        }
 
-    @TestMetadata("noAbstractForObject.kt")
-    public void testNoAbstractForObject() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/noAbstractForObject.kt");
-    }
+        @TestMetadata("returnTypeMismatchOnMultipleOverrideAmbiguity.kt")
+        public void testReturnTypeMismatchOnMultipleOverrideAmbiguity() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/returnTypeMismatchOnMultipleOverrideAmbiguity.kt");
+        }
 
-    @TestMetadata("noLateinitOnNullable.kt")
-    public void testNoLateinitOnNullable() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/noLateinitOnNullable.kt");
-    }
+        @TestMetadata("returnTypeMismatchOnOverrideIntLong.kt")
+        public void testReturnTypeMismatchOnOverrideIntLong() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/returnTypeMismatchOnOverrideIntLong.kt");
+        }
 
-    @TestMetadata("noLateinitOnPrimitive.kt")
-    public void testNoLateinitOnPrimitive() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/noLateinitOnPrimitive.kt");
-    }
+        @TestMetadata("returnTypeMismatchOnOverrideIntUnit.kt")
+        public void testReturnTypeMismatchOnOverrideIntUnit() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/returnTypeMismatchOnOverrideIntUnit.kt");
+        }
 
-    @TestMetadata("notAnAnnotationClass.kt")
-    public void testNotAnAnnotationClass() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/notAnAnnotationClass.kt");
-    }
-
-    @TestMetadata("openCompanionObject.kt")
-    public void testOpenCompanionObject() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openCompanionObject.kt");
-    }
-
-    @TestMetadata("openCompanionObject2.kt")
-    public void testOpenCompanionObject2() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openCompanionObject2.kt");
-    }
-
-    @TestMetadata("openMemberInFinalClass1.kt")
-    public void testOpenMemberInFinalClass1() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openMemberInFinalClass1.kt");
-    }
-
-    @TestMetadata("openMemberInFinalClass2.kt")
-    public void testOpenMemberInFinalClass2() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openMemberInFinalClass2.kt");
-    }
-
-    @TestMetadata("openMemberInFinalClass3.kt")
-    public void testOpenMemberInFinalClass3() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openMemberInFinalClass3.kt");
-    }
-
-    @TestMetadata("openMemberInFinalClass4.kt")
-    public void testOpenMemberInFinalClass4() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openMemberInFinalClass4.kt");
-    }
-
-    @TestMetadata("openModifierInEnum.kt")
-    public void testOpenModifierInEnum() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openModifierInEnum.kt");
-    }
-
-    @TestMetadata("openObject.kt")
-    public void testOpenObject() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openObject.kt");
-    }
-
-    @TestMetadata("openVarWithPrivateSetter.kt")
-    public void testOpenVarWithPrivateSetter() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/openVarWithPrivateSetter.kt");
-    }
-
-    @TestMetadata("operatorModifier.kt")
-    public void testOperatorModifier() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/operatorModifier.kt");
-    }
-
-    @TestMetadata("operatorModifierCollection.kt")
-    public void testOperatorModifierCollection() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/operatorModifierCollection.kt");
-    }
-
-    @TestMetadata("operatorModifierComponent.kt")
-    public void testOperatorModifierComponent() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/operatorModifierComponent.kt");
-    }
-
-    @TestMetadata("operatorModifierGet.kt")
-    public void testOperatorModifierGet() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/operatorModifierGet.kt");
-    }
-
-    @TestMetadata("operatorModifierInherited.kt")
-    public void testOperatorModifierInherited() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/operatorModifierInherited.kt");
-    }
-
-    @TestMetadata("overrideWithPrivateSetter.kt")
-    public void testOverrideWithPrivateSetter() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/overrideWithPrivateSetter.kt");
-    }
-
-    @TestMetadata("packageMemberCannotBeProtected.kt")
-    public void testPackageMemberCannotBeProtected() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/packageMemberCannotBeProtected.kt");
-    }
-
-    @TestMetadata("redundantOpenInInterface.kt")
-    public void testRedundantOpenInInterface() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/redundantOpenInInterface.kt");
-    }
-
-    @TestMetadata("removeAbstractModifier.kt")
-    public void testRemoveAbstractModifier() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeAbstractModifier.kt");
-    }
-
-    @TestMetadata("removeConst.kt")
-    public void testRemoveConst() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeConst.kt");
-    }
-
-    @TestMetadata("removeIncompatibleModifier.kt")
-    public void testRemoveIncompatibleModifier() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeIncompatibleModifier.kt");
-    }
-
-    @TestMetadata("removeInnerForClassInTrait.kt")
-    public void testRemoveInnerForClassInTrait() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeInnerForClassInTrait.kt");
-    }
-
-    @TestMetadata("removeModifierFromForbiddenOperatorMod.kt")
-    public void testRemoveModifierFromForbiddenOperatorMod() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeModifierFromForbiddenOperatorMod.kt");
-    }
-
-    @TestMetadata("removeModifierFromOperatorMod.kt")
-    public void testRemoveModifierFromOperatorMod() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeModifierFromOperatorMod.kt");
-    }
-
-    @TestMetadata("removeModifierFromOperatorModAssign.kt")
-    public void testRemoveModifierFromOperatorModAssign() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeModifierFromOperatorModAssign.kt");
-    }
-
-    @TestMetadata("removeProtectedModifier.kt")
-    public void testRemoveProtectedModifier() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeProtectedModifier.kt");
-    }
-
-    @TestMetadata("removeRedundantModifier1.kt")
-    public void testRemoveRedundantModifier1() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeRedundantModifier1.kt");
-    }
-
-    @TestMetadata("removeRedundantModifier2.kt")
-    public void testRemoveRedundantModifier2() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeRedundantModifier2.kt");
-    }
-
-    @TestMetadata("removeRedundantModifier3.kt")
-    public void testRemoveRedundantModifier3() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeRedundantModifier3.kt");
-    }
-
-    @TestMetadata("removeSupertype1.kt")
-    public void testRemoveSupertype1() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeSupertype1.kt");
-    }
-
-    @TestMetadata("removeSupertype2.kt")
-    public void testRemoveSupertype2() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeSupertype2.kt");
-    }
-
-    @TestMetadata("removeSupertype3.kt")
-    public void testRemoveSupertype3() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeSupertype3.kt");
-    }
-
-    @TestMetadata("removeSupertype4.kt")
-    public void testRemoveSupertype4() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/removeSupertype4.kt");
-    }
-
-    @TestMetadata("visibilityModifer1.kt")
-    public void testVisibilityModifer1() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/visibilityModifer1.kt");
-    }
-
-    @TestMetadata("visibilityModifer2.kt")
-    public void testVisibilityModifer2() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/visibilityModifer2.kt");
-    }
-
-    @TestMetadata("visibilityModiferOverrideJavaRuntime.kt")
-    public void testVisibilityModiferOverrideJavaRuntime() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/visibilityModiferOverrideJavaRuntime.kt");
-    }
-
-    @TestMetadata("visibilityModiferParameter.kt")
-    public void testVisibilityModiferParameter() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/visibilityModiferParameter.kt");
-    }
-
-    @TestMetadata("withAnnotationAndBlockComment.kt")
-    public void testWithAnnotationAndBlockComment() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/withAnnotationAndBlockComment.kt");
-    }
-
-    @TestMetadata("withAnnotationAndEolComment.kt")
-    public void testWithAnnotationAndEolComment() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/withAnnotationAndEolComment.kt");
-    }
-
-    @TestMetadata("withAnnotationAndEolComment2.kt")
-    public void testWithAnnotationAndEolComment2() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/withAnnotationAndEolComment2.kt");
-    }
-
-    @TestMetadata("withAnnotationAndEolComment3.kt")
-    public void testWithAnnotationAndEolComment3() throws Exception {
-        runTest("idea/testData/quickfix/modifiers/withAnnotationAndEolComment3.kt");
+        @TestMetadata("returnTypeMismatchOnOverrideUnitInt.kt")
+        public void testReturnTypeMismatchOnOverrideUnitInt() throws Exception {
+            runTest("idea/testData/quickfix/override/typeMismatchOnOverride/returnTypeMismatchOnOverrideUnitInt.kt");
+        }
     }
 }