diff --git a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/DefaultDeclarationCheckers.kt b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/DefaultDeclarationCheckers.kt
index d8facde60ee..97da78334dc 100644
--- a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/DefaultDeclarationCheckers.kt
+++ b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/DefaultDeclarationCheckers.kt
@@ -5,11 +5,6 @@
 
 package org.jetbrains.kotlin.fir.analysis.checkers.declaration
 
-import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantExplicitTypeChecker
-import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantModalityModifierChecker
-import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantReturnUnitType
-import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantVisibilityModifierChecker
-
 object CommonDeclarationCheckers : DeclarationCheckers() {
     override val declarationCheckers: List<FirBasicDeclarationChecker> = listOf(
         FirAnnotationClassDeclarationChecker,
diff --git a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ExtendedDeclarationChecker.kt b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ExtendedDeclarationChecker.kt
deleted file mode 100644
index e7eca0ae461..00000000000
--- a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ExtendedDeclarationChecker.kt
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright 2010-2020 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.fir.analysis.checkers.declaration
-
-import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantExplicitTypeChecker
-import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantModalityModifierChecker
-import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantReturnUnitType
-import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantVisibilityModifierChecker
-
-object ExtendedDeclarationCheckers : DeclarationCheckers() {
-    override val declarationCheckers = listOf(
-        RedundantVisibilityModifierChecker,
-        RedundantReturnUnitType
-    )
-
-    override val memberDeclarationCheckers = listOf(
-        RedundantExplicitTypeChecker,
-        RedundantModalityModifierChecker
-    )
-}
\ No newline at end of file
diff --git a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ExtendedDeclarationCheckers.kt b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ExtendedDeclarationCheckers.kt
index ca8929c3949..1b22c8cad1c 100644
--- a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ExtendedDeclarationCheckers.kt
+++ b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ExtendedDeclarationCheckers.kt
@@ -5,12 +5,20 @@
 
 package org.jetbrains.kotlin.fir.analysis.checkers.declaration
 
+import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantExplicitTypeChecker
 import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantModalityModifierChecker
+import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantReturnUnitType
 import org.jetbrains.kotlin.fir.analysis.checkers.extended.RedundantVisibilityModifierChecker
 
 object ExtendedDeclarationCheckers : DeclarationCheckers() {
-    override val declarationCheckers = listOf(RedundantVisibilityModifierChecker, RedundantVisibilityModifierChecker)
+    override val declarationCheckers = listOf(
+        RedundantVisibilityModifierChecker,
+        RedundantReturnUnitType
+    )
 
-    override val memberDeclarationCheckers = listOf(RedundantModalityModifierChecker)
+    override val memberDeclarationCheckers = listOf(
+        RedundantModalityModifierChecker,
+        RedundantExplicitTypeChecker
+    )
 
 }