diff --git a/plugins/kotlin/idea/tests/testData/checker/MultipleModality.kt b/plugins/kotlin/idea/tests/testData/checker/MultipleModality.kt
index 405a3c4ea733..8094a2f109bc 100644
--- a/plugins/kotlin/idea/tests/testData/checker/MultipleModality.kt
+++ b/plugins/kotlin/idea/tests/testData/checker/MultipleModality.kt
@@ -1,5 +1,3 @@
-// FIR_COMPARISON
-
 sealed <warning descr="[REDUNDANT_MODIFIER] Modifier 'abstract' is redundant because 'sealed' is present">abstract</warning> class First
 
 <warning descr="[REDUNDANT_MODIFIER] Modifier 'abstract' is redundant because 'sealed' is present">abstract</warning> sealed class Second
diff --git a/plugins/kotlin/idea/tests/testData/checker/regression/BadParseForClass.kt b/plugins/kotlin/idea/tests/testData/checker/regression/BadParseForClass.kt
index 044ba45a6273..c8b0812f13de 100644
--- a/plugins/kotlin/idea/tests/testData/checker/regression/BadParseForClass.kt
+++ b/plugins/kotlin/idea/tests/testData/checker/regression/BadParseForClass.kt
@@ -1,5 +1,3 @@
-// FIR_COMPARISON
-
 fun main(<warning descr="[UNUSED_PARAMETER] Parameter 'args' is never used">args</warning>: Array<String>) {
     String.class<EOLError descr="Name expected"></EOLError>
 }
diff --git a/plugins/kotlin/idea/tests/testData/checker/regression/ClassDeclarationAfterDot.kt b/plugins/kotlin/idea/tests/testData/checker/regression/ClassDeclarationAfterDot.kt
index 16b94e3c8dbe..e3d955ecb65a 100644
--- a/plugins/kotlin/idea/tests/testData/checker/regression/ClassDeclarationAfterDot.kt
+++ b/plugins/kotlin/idea/tests/testData/checker/regression/ClassDeclarationAfterDot.kt
@@ -1,5 +1,3 @@
-// FIR_COMPARISON
-
 class A
 
 fun f() {