diff --git a/idea/testData/refactoring/extractFunction/basic/callWithPlatformTypeReceiver.kt b/idea/testData/refactoring/extractFunction/basic/callWithPlatformTypeReceiver.kt
index 514c149d396..d57a7d91694 100644
--- a/idea/testData/refactoring/extractFunction/basic/callWithPlatformTypeReceiver.kt
+++ b/idea/testData/refactoring/extractFunction/basic/callWithPlatformTypeReceiver.kt
@@ -1,7 +1,7 @@
 // WITH_RUNTIME
 // SUGGESTED_RETURN_TYPES: kotlin.Boolean?, kotlin.Boolean
-// PARAM_DESCRIPTOR: value-parameter val it: kotlin.Map.Entry<(Boolean..Boolean?), (Boolean..Boolean?)> defined in test.<anonymous>
-// PARAM_TYPES: kotlin.Map.Entry<(Boolean..Boolean?), (Boolean..Boolean?)>
+// PARAM_DESCRIPTOR: value-parameter val it: kotlin.Map.Entry<(kotlin.Boolean..kotlin.Boolean?), (kotlin.Boolean..kotlin.Boolean?)> defined in test.<anonymous>
+// PARAM_TYPES: kotlin.Map.Entry<(kotlin.Boolean..kotlin.Boolean?), (kotlin.Boolean..kotlin.Boolean?)>
 fun test() {
     J.getMap().filter { <selection>it.getKey()</selection> }
 }
\ No newline at end of file
diff --git a/idea/testData/refactoring/extractFunction/basic/callWithPlatformTypeReceiver.kt.after b/idea/testData/refactoring/extractFunction/basic/callWithPlatformTypeReceiver.kt.after
index 4146cbab390..695749d0e0f 100644
--- a/idea/testData/refactoring/extractFunction/basic/callWithPlatformTypeReceiver.kt.after
+++ b/idea/testData/refactoring/extractFunction/basic/callWithPlatformTypeReceiver.kt.after
@@ -1,7 +1,7 @@
 // WITH_RUNTIME
 // SUGGESTED_RETURN_TYPES: kotlin.Boolean?, kotlin.Boolean
-// PARAM_DESCRIPTOR: value-parameter val it: kotlin.Map.Entry<(Boolean..Boolean?), (Boolean..Boolean?)> defined in test.<anonymous>
-// PARAM_TYPES: kotlin.Map.Entry<(Boolean..Boolean?), (Boolean..Boolean?)>
+// PARAM_DESCRIPTOR: value-parameter val it: kotlin.Map.Entry<(kotlin.Boolean..kotlin.Boolean?), (kotlin.Boolean..kotlin.Boolean?)> defined in test.<anonymous>
+// PARAM_TYPES: kotlin.Map.Entry<(kotlin.Boolean..kotlin.Boolean?), (kotlin.Boolean..kotlin.Boolean?)>
 fun test() {
     J.getMap().filter { b(it) }
 }
diff --git a/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithNull.kt b/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithNull.kt
index ae641c2ad01..99546e95cfc 100644
--- a/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithNull.kt
+++ b/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithNull.kt
@@ -1,7 +1,7 @@
 // WITH_RUNTIME
 // SUGGESTED_NAMES: i, getN
-// PARAM_TYPES: String?, String, kotlin.CharSequence?, CharSequence
-// PARAM_DESCRIPTOR: val property: (String..String?) defined in test
+// PARAM_TYPES: kotlin.String?, kotlin.String, kotlin.CharSequence?, CharSequence
+// PARAM_DESCRIPTOR: val property: (kotlin.String..kotlin.String?) defined in test
 fun test() {
     val property = System.getProperty("some")
     val n = <selection>property?.length()</selection>
diff --git a/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithNull.kt.after b/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithNull.kt.after
index a687e4b9262..50f48bb630b 100644
--- a/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithNull.kt.after
+++ b/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithNull.kt.after
@@ -1,10 +1,10 @@
 // WITH_RUNTIME
 // SUGGESTED_NAMES: i, getN
-// PARAM_TYPES: String?, String, kotlin.CharSequence?, CharSequence
-// PARAM_DESCRIPTOR: val property: (String..String?) defined in test
+// PARAM_TYPES: kotlin.String?, kotlin.String, kotlin.CharSequence?, CharSequence
+// PARAM_DESCRIPTOR: val property: (kotlin.String..kotlin.String?) defined in test
 fun test() {
     val property = System.getProperty("some")
     val n = i(property)
 }
 
-private fun i(property: String?) = property?.length()
+private fun i(property: String?) = property?.length()
\ No newline at end of file
diff --git a/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithoutNull.kt b/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithoutNull.kt
index 6130d9bf142..e3da5db7cd2 100644
--- a/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithoutNull.kt
+++ b/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithoutNull.kt
@@ -1,7 +1,7 @@
 // WITH_RUNTIME
 // SUGGESTED_NAMES: i, getN
-// PARAM_TYPES: String, CharSequence
-// PARAM_DESCRIPTOR: val property: (String..String?) defined in test
+// PARAM_TYPES: kotlin.String, CharSequence
+// PARAM_DESCRIPTOR: val property: (kotlin.String..kotlin.String?) defined in test
 fun test() {
     val property = System.getProperty("some")
     val n = <selection>property.length()</selection>
diff --git a/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithoutNull.kt.after b/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithoutNull.kt.after
index 559b5d08cf7..21d2fede2f3 100644
--- a/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithoutNull.kt.after
+++ b/idea/testData/refactoring/extractFunction/parameters/candidateTypes/flexibleTypesWithoutNull.kt.after
@@ -1,7 +1,7 @@
 // WITH_RUNTIME
 // SUGGESTED_NAMES: i, getN
-// PARAM_TYPES: String, CharSequence
-// PARAM_DESCRIPTOR: val property: (String..String?) defined in test
+// PARAM_TYPES: kotlin.String, CharSequence
+// PARAM_DESCRIPTOR: val property: (kotlin.String..kotlin.String?) defined in test
 fun test() {
     val property = System.getProperty("some")
     val n = i(property)