diff --git a/compiler/fir/jvm/src/org/jetbrains/kotlin/fir/scopes/jvm/JvmMappedScope.kt b/compiler/fir/jvm/src/org/jetbrains/kotlin/fir/scopes/jvm/JvmMappedScope.kt
index 6e23acdb9c6..98f961730f1 100644
--- a/compiler/fir/jvm/src/org/jetbrains/kotlin/fir/scopes/jvm/JvmMappedScope.kt
+++ b/compiler/fir/jvm/src/org/jetbrains/kotlin/fir/scopes/jvm/JvmMappedScope.kt
@@ -131,7 +131,7 @@ class JvmMappedScope(
 
         // NOTE: No-arg constructors
         @OptIn(ExperimentalStdlibApi::class)
-        private val additionalHiddenConstructors = buildSet {
+        private val additionalHiddenConstructors = buildSet<String> {
             // kotlin.text.String pseudo-constructors should be used instead of java.lang.String constructors
             listOf(
                 "",
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirWhenExhaustivenessTransformer.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirWhenExhaustivenessTransformer.kt
index 39d9b33aa38..abf4ff8395c 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirWhenExhaustivenessTransformer.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirWhenExhaustivenessTransformer.kt
@@ -63,7 +63,7 @@ class FirWhenExhaustivenessTransformer(private val bodyResolveComponents: BodyRe
 
         val checkers = buildList {
             exhaustivenessCheckers.filterTo(this) { it.isApplicable(cleanSubjectType, session) }
-            if (isNotEmpty() && cleanSubjectType.isMarkedNullable) {
+            if (isNotEmpty<WhenExhaustivenessChecker>() && cleanSubjectType.isMarkedNullable) {
                 add(WhenOnNullableExhaustivenessChecker)
             }
         }
diff --git a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/fir/KtDeclarationAndFirDeclarationEqualityChecker.kt b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/fir/KtDeclarationAndFirDeclarationEqualityChecker.kt
index 7b29715e5d8..216ee58f3be 100644
--- a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/fir/KtDeclarationAndFirDeclarationEqualityChecker.kt
+++ b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/fir/KtDeclarationAndFirDeclarationEqualityChecker.kt
@@ -101,7 +101,7 @@ object KtDeclarationAndFirDeclarationEqualityChecker {
     }
 
     @OptIn(ExperimentalStdlibApi::class)
-    private val classIdToName: Map<String, String> = buildList {
+    private val classIdToName: Map<String, String> = buildList<Pair<String, String>> {
         StandardClassIds.primitiveArrayTypeByElementType.mapTo(this) { (classId, arrayClassId) ->
             classId.asString().replace('/', '.') to arrayClassId.asString().replace('/', '.')
         }
diff --git a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/components/KtFirScopeProvider.kt b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/components/KtFirScopeProvider.kt
index 86bb246a4e7..c643e03dac4 100644
--- a/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/components/KtFirScopeProvider.kt
+++ b/idea/idea-frontend-fir/src/org/jetbrains/kotlin/idea/frontend/api/fir/components/KtFirScopeProvider.kt
@@ -162,7 +162,7 @@ internal class KtFirScopeProvider(
         val firLocalScopes = towerDataContext.localScopes
 
         @OptIn(ExperimentalStdlibApi::class)
-        val allKtScopes = buildList {
+        val allKtScopes = buildList<KtScope> {
             implicitReceiverScopes.mapTo(this, ::convertToKtScope)
             nonLocalScopes.mapTo(this, ::convertToKtScope)
             firLocalScopes.mapTo(this, ::convertToKtScope)