diff --git a/compiler/testData/diagnostics/tests/typealias/typeAliasConstructorTypeArgumentsInferenceWithNestedCalls.fir.kt b/compiler/testData/diagnostics/tests/typealias/typeAliasConstructorTypeArgumentsInferenceWithNestedCalls.fir.kt
index b09e808a9d6..0970935e7dd 100644
--- a/compiler/testData/diagnostics/tests/typealias/typeAliasConstructorTypeArgumentsInferenceWithNestedCalls.fir.kt
+++ b/compiler/testData/diagnostics/tests/typealias/typeAliasConstructorTypeArgumentsInferenceWithNestedCalls.fir.kt
@@ -1,3 +1,4 @@
+// !LANGUAGE: -TypeEnhancementImprovementsInStrictMode
 // FULL_JDK
 
 // FILE: MapLike.java
diff --git a/compiler/testData/diagnostics/testsWithStdLib/inference/annotationsForResolve/notNullAnnotation.fir.kt b/compiler/testData/diagnostics/testsWithStdLib/inference/annotationsForResolve/notNullAnnotation.fir.kt
index 8b6d3c16fc9..86ddd3a52a2 100644
--- a/compiler/testData/diagnostics/testsWithStdLib/inference/annotationsForResolve/notNullAnnotation.fir.kt
+++ b/compiler/testData/diagnostics/testsWithStdLib/inference/annotationsForResolve/notNullAnnotation.fir.kt
@@ -1,4 +1,4 @@
-// !LANGUAGE: +NewInference
+// !LANGUAGE: -TypeEnhancementImprovementsInStrictMode
 
 // FILE: SmartFMap.java
 
diff --git a/compiler/testData/diagnostics/testsWithStdLib/java/checkEnhancedUpperBounds.fir.kt b/compiler/testData/diagnostics/testsWithStdLib/java/checkEnhancedUpperBounds.fir.kt
index 13b6e46077b..48b92c78f22 100644
--- a/compiler/testData/diagnostics/testsWithStdLib/java/checkEnhancedUpperBounds.fir.kt
+++ b/compiler/testData/diagnostics/testsWithStdLib/java/checkEnhancedUpperBounds.fir.kt
@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
+// !LANGUAGE: -TypeEnhancementImprovementsInStrictMode
 // FULL_JDK
 
 // FILE: MapLike.java