diff --git a/idea/testData/diagnosticMessage/annotationsForResolve1.txt b/idea/testData/diagnosticMessage/annotationsForResolve1.txt
index 9a22d7fcfcc..e664c47207c 100644
--- a/idea/testData/diagnosticMessage/annotationsForResolve1.txt
+++ b/idea/testData/diagnosticMessage/annotationsForResolve1.txt
@@ -1,2 +1,2 @@
-Type mismatch: inferred type is kotlin.String but kotlin.Int was expected
\ No newline at end of file
+Type mismatch: inferred type is String but Int was expected
\ No newline at end of file
diff --git a/idea/testData/diagnosticMessage/cannotInferVisibility1.txt b/idea/testData/diagnosticMessage/cannotInferVisibility1.txt
index 05920f8ccda..9ffd9b31fbf 100644
--- a/idea/testData/diagnosticMessage/cannotInferVisibility1.txt
+++ b/idea/testData/diagnosticMessage/cannotInferVisibility1.txt
@@ -1,2 +1,2 @@
-Cannot infer visibility for 'val foo: kotlin.String'. Please specify it explicitly
\ No newline at end of file
+Cannot infer visibility for 'val foo: String'. Please specify it explicitly
\ No newline at end of file
diff --git a/idea/testData/diagnosticMessage/cannotOverrideInvisibleMember1.txt b/idea/testData/diagnosticMessage/cannotOverrideInvisibleMember1.txt
index bad439cd1af..99cecd9e9b8 100644
--- a/idea/testData/diagnosticMessage/cannotOverrideInvisibleMember1.txt
+++ b/idea/testData/diagnosticMessage/cannotOverrideInvisibleMember1.txt
@@ -1,2 +1,2 @@
-'public open fun foo(): kotlin.Unit defined in B' has no access to 'private open fun foo(): kotlin.Unit defined in A', so it cannot override it
\ No newline at end of file
+'public open fun foo(): Unit defined in B' has no access to 'private open fun foo(): Unit defined in A', so it cannot override it
\ No newline at end of file
diff --git a/idea/testData/diagnosticMessage/conflictingOverloadsClass1.html b/idea/testData/diagnosticMessage/conflictingOverloadsClass1.html
index da51b028e10..a4f2dd22017 100644
--- a/idea/testData/diagnosticMessage/conflictingOverloadsClass1.html
+++ b/idea/testData/diagnosticMessage/conflictingOverloadsClass1.html
@@ -1,3 +1,3 @@
-'public final fun lol(x: kotlin.Int): kotlin.Int'
conflicts with another declaration in class 'conflictingOverloads'
\ No newline at end of file
+'public final fun lol(x: Int): Int'
conflicts with another declaration in class 'conflictingOverloads'