diff --git a/idea/testData/highlighter/AutoCreatedItParameter.kt b/idea/testData/highlighter/AutoCreatedItParameter.kt
index f50f05c068b..68af0a13a90 100644
--- a/idea/testData/highlighter/AutoCreatedItParameter.kt
+++ b/idea/testData/highlighter/AutoCreatedItParameter.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 fun <info textAttributesKey="KOTLIN_FUNCTION_DECLARATION">test</info>() {
     val <info textAttributesKey="KOTLIN_LOCAL_VARIABLE">vect</info> = <info textAttributesKey="KOTLIN_CONSTRUCTOR">MyIterable</info><<info textAttributesKey="KOTLIN_CLASS">Int</info>>()
     <info textAttributesKey="KOTLIN_LOCAL_VARIABLE">vect</info>.<info textAttributesKey="KOTLIN_FUNCTION_CALL">filter</info> { <info textAttributesKey="KOTLIN_CLOSURE_DEFAULT_PARAMETER">it</info> != 2 }.<info textAttributesKey="KOTLIN_FUNCTION_CALL">forEach</info> { <info textAttributesKey="KOTLIN_CLOSURE_DEFAULT_PARAMETER">it</info>.<info textAttributesKey="KOTLIN_FUNCTION_CALL">toString</info>() }
diff --git a/idea/testData/highlighter/Enums.kt b/idea/testData/highlighter/Enums.kt
index cecf5986a6e..d77295447c1 100644
--- a/idea/testData/highlighter/Enums.kt
+++ b/idea/testData/highlighter/Enums.kt
@@ -1,3 +1,5 @@
+// IGNORE_FIR
+
 package testing
 
 <info textAttributesKey="KOTLIN_BUILTIN_ANNOTATION">enum</info> class <info textAttributesKey="KOTLIN_ENUM">Test</info> {
diff --git a/idea/testData/highlighter/Field.kt b/idea/testData/highlighter/Field.kt
index 43ee1708185..f665e03d36f 100644
--- a/idea/testData/highlighter/Field.kt
+++ b/idea/testData/highlighter/Field.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 // EXPECTED_DUPLICATED_HIGHLIGHTING
 // FALSE_POSITIVE
 
diff --git a/idea/testData/highlighter/InvokeCall.kt b/idea/testData/highlighter/InvokeCall.kt
index ac13361c25e..0f308790c62 100644
--- a/idea/testData/highlighter/InvokeCall.kt
+++ b/idea/testData/highlighter/InvokeCall.kt
@@ -1,3 +1,5 @@
+// IGNORE_FIR
+
 fun <info textAttributesKey="KOTLIN_FUNCTION_DECLARATION">test</info>() {
     <info textAttributesKey="KOTLIN_CONSTRUCTOR">Test</info>("text", "text")() // BUG
 }
diff --git a/idea/testData/highlighter/KDoc.kt b/idea/testData/highlighter/KDoc.kt
index 05bd200147f..e45556c7939 100644
--- a/idea/testData/highlighter/KDoc.kt
+++ b/idea/testData/highlighter/KDoc.kt
@@ -1,3 +1,5 @@
+// IGNORE_FIR
+
 /**
  * @param <info descr="null" textAttributesKey="KDOC_LINK">x</info> foo and <info descr="null" textAttributesKey="KDOC_LINK">[baz]</info>
  * @param <info descr="null" textAttributesKey="KDOC_LINK">y</info> bar
diff --git a/idea/testData/highlighter/Labels.kt b/idea/testData/highlighter/Labels.kt
index 32f15db9b0a..275f18b2778 100644
--- a/idea/testData/highlighter/Labels.kt
+++ b/idea/testData/highlighter/Labels.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 // EXPECTED_DUPLICATED_HIGHLIGHTING
 
 fun <info descr="null">bar</info>(<info descr="null">block</info>: () -> <info descr="null">Int</info>) = <info descr="null"><info descr="null">block</info></info>()
diff --git a/idea/testData/highlighter/NamedArguments.kt b/idea/testData/highlighter/NamedArguments.kt
index 1cdf62e521c..e5302a80c61 100644
--- a/idea/testData/highlighter/NamedArguments.kt
+++ b/idea/testData/highlighter/NamedArguments.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 <info descr="null" textAttributesKey="KOTLIN_ANNOTATION">@Suppress</info>(<info descr="null" textAttributesKey="KOTLIN_ANNOTATION_ATTRIBUTE_NAME_ATTRIBUTES">names =</info> ["foo"])
 fun <info descr="null" textAttributesKey="KOTLIN_FUNCTION_DECLARATION">foo</info>(<info descr="null" textAttributesKey="KOTLIN_PARAMETER">p1</info>: <info descr="null" textAttributesKey="KOTLIN_CLASS">Int</info>, <info descr="null" textAttributesKey="KOTLIN_PARAMETER">p2</info>: <info descr="null" textAttributesKey="KOTLIN_CLASS">String</info>): <info descr="null" textAttributesKey="KOTLIN_CLASS">String</info> {
     return <info descr="null" textAttributesKey="KOTLIN_PARAMETER">p2</info> + <info descr="null" textAttributesKey="KOTLIN_PARAMETER">p1</info>
diff --git a/idea/testData/highlighter/NonNullAssertion.kt b/idea/testData/highlighter/NonNullAssertion.kt
index ca07cfbbd6d..31595989ae6 100644
--- a/idea/testData/highlighter/NonNullAssertion.kt
+++ b/idea/testData/highlighter/NonNullAssertion.kt
@@ -1,3 +1,5 @@
+// IGNORE_FIR
+
 fun <info descr="null" textAttributesKey="KOTLIN_FUNCTION_DECLARATION">test</info>(<info descr="null" textAttributesKey="KOTLIN_PARAMETER">s</info>: <info descr="null" textAttributesKey="KOTLIN_CLASS">String</info>?) {
     <info descr="null" textAttributesKey="KOTLIN_PARAMETER">s</info><info descr="null" textAttributesKey="KOTLIN_EXCLEXCL">!!</info>.<info descr="null" textAttributesKey="KOTLIN_INSTANCE_PROPERTY">length</info>
 }
\ No newline at end of file
diff --git a/idea/testData/highlighter/TypeAlias.kt b/idea/testData/highlighter/TypeAlias.kt
index bcabe5b0e63..391e9b61689 100644
--- a/idea/testData/highlighter/TypeAlias.kt
+++ b/idea/testData/highlighter/TypeAlias.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 // EXPECTED_DUPLICATED_HIGHLIGHTING
 
 typealias <info textAttributesKey="KOTLIN_TYPE_ALIAS">Predicate</info><<info textAttributesKey="KOTLIN_TYPE_PARAMETER">T</info>> = (<info textAttributesKey="KOTLIN_TYPE_PARAMETER">T</info>) -> <info textAttributesKey="KOTLIN_CLASS">Boolean</info>
diff --git a/idea/testData/highlighter/Variables.kt b/idea/testData/highlighter/Variables.kt
index 0b5ba7192b2..76ccf692242 100644
--- a/idea/testData/highlighter/Variables.kt
+++ b/idea/testData/highlighter/Variables.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 // EXPECTED_DUPLICATED_HIGHLIGHTING
 
 var <info textAttributesKey="KOTLIN_MUTABLE_VARIABLE"><info textAttributesKey="KOTLIN_PACKAGE_PROPERTY">x</info></info> = 5
diff --git a/idea/testData/highlighter/VariablesAsFunctions.kt b/idea/testData/highlighter/VariablesAsFunctions.kt
index 97d2b253f95..608e20bbc79 100644
--- a/idea/testData/highlighter/VariablesAsFunctions.kt
+++ b/idea/testData/highlighter/VariablesAsFunctions.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 // EXPECTED_DUPLICATED_HIGHLIGHTING
 
 interface <info textAttributesKey="KOTLIN_TRAIT">FunctionLike</info> {