diff --git a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/refactoring/introduce/ExtractionTestGenerated.java b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/refactoring/introduce/ExtractionTestGenerated.java
index 84c7ac3b7374..7fe8b9032802 100644
--- a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/refactoring/introduce/ExtractionTestGenerated.java
+++ b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/refactoring/introduce/ExtractionTestGenerated.java
@@ -503,6 +503,11 @@ public abstract class ExtractionTestGenerated extends AbstractExtractionTest {
                 runTest("testData/refactoring/introduceVariable/introduceToFile.kt");
             }
 
+            @TestMetadata("invalidInplaceName.kt")
+            public void testInvalidInplaceName() throws Exception {
+                runTest("testData/refactoring/introduceVariable/invalidInplaceName.kt");
+            }
+
             @TestMetadata("It.kt")
             public void testIt() throws Exception {
                 runTest("testData/refactoring/introduceVariable/It.kt");
diff --git a/plugins/kotlin/idea/tests/testData/refactoring/introduceVariable/invalidInplaceName.kt b/plugins/kotlin/idea/tests/testData/refactoring/introduceVariable/invalidInplaceName.kt
new file mode 100644
index 000000000000..a6b1f610d520
--- /dev/null
+++ b/plugins/kotlin/idea/tests/testData/refactoring/introduceVariable/invalidInplaceName.kt
@@ -0,0 +1,5 @@
+// INPLACE_VARIABLE_NAME: val
+/* this test is required to check KTIJ-28946, but the current expected result is not correct, see KTIJ-29410 */
+fun test(): Int {
+    return <selection>1</selection>
+}
\ No newline at end of file
diff --git a/plugins/kotlin/idea/tests/testData/refactoring/introduceVariable/invalidInplaceName.kt.after b/plugins/kotlin/idea/tests/testData/refactoring/introduceVariable/invalidInplaceName.kt.after
new file mode 100644
index 000000000000..a4e623304c2b
--- /dev/null
+++ b/plugins/kotlin/idea/tests/testData/refactoring/introduceVariable/invalidInplaceName.kt.after
@@ -0,0 +1,6 @@
+// INPLACE_VARIABLE_NAME: val
+/* this test is required to check KTIJ-28946, but the current expected result is not correct, see KTIJ-29410 */
+fun test(): Int {
+    val val = 1
+    return val
+}
\ No newline at end of file
diff --git a/plugins/kotlin/plugin/common/resources/META-INF/refactorings.xml b/plugins/kotlin/plugin/common/resources/META-INF/refactorings.xml
index 526bf10f599b..3d8d51436628 100644
--- a/plugins/kotlin/plugin/common/resources/META-INF/refactorings.xml
+++ b/plugins/kotlin/plugin/common/resources/META-INF/refactorings.xml
@@ -16,6 +16,7 @@
 
     <vetoRenameCondition implementation="org.jetbrains.kotlin.idea.refactoring.KotlinVetoRenameCondition"/>
 
+    <lang.namesValidator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.refactoring.KotlinNamesValidator"/>
     <renameInputValidator implementation="org.jetbrains.kotlin.idea.refactoring.rename.KotlinDeclarationRenameInputValidator"/>
 
     <renameHandler implementation="org.jetbrains.kotlin.idea.refactoring.rename.KotlinRenameDispatcherHandler"/>
diff --git a/plugins/kotlin/plugin/k1/resources/META-INF/refactorings-fe10.xml b/plugins/kotlin/plugin/k1/resources/META-INF/refactorings-fe10.xml
index 8f9f6fc2e6df..4ef2ed97f555 100644
--- a/plugins/kotlin/plugin/k1/resources/META-INF/refactorings-fe10.xml
+++ b/plugins/kotlin/plugin/k1/resources/META-INF/refactorings-fe10.xml
@@ -16,8 +16,6 @@
     <applicationService serviceImplementation="org.jetbrains.kotlin.idea.refactoring.K1CommonRefactoringSettings"
                         serviceInterface="org.jetbrains.kotlin.idea.refactoring.KotlinCommonRefactoringSettings"/>
 
-    <lang.namesValidator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.refactoring.KotlinNamesValidator"/>
-
     <nameSuggestionProvider implementation="org.jetbrains.kotlin.idea.base.fe10.codeInsight.newDeclaration.Fe10KotlinNameSuggestionProvider"/>
 
     <lang.refactoringSupport
diff --git a/plugins/kotlin/refactorings/kotlin.refactorings.introduce.k2/test/org/jetbrains/kotlin/idea/k2/refactoring/introduce/introduceVariable/K2IntroduceVariableTestGenerated.java b/plugins/kotlin/refactorings/kotlin.refactorings.introduce.k2/test/org/jetbrains/kotlin/idea/k2/refactoring/introduce/introduceVariable/K2IntroduceVariableTestGenerated.java
index 5468e52b3e1f..99dca1669259 100644
--- a/plugins/kotlin/refactorings/kotlin.refactorings.introduce.k2/test/org/jetbrains/kotlin/idea/k2/refactoring/introduce/introduceVariable/K2IntroduceVariableTestGenerated.java
+++ b/plugins/kotlin/refactorings/kotlin.refactorings.introduce.k2/test/org/jetbrains/kotlin/idea/k2/refactoring/introduce/introduceVariable/K2IntroduceVariableTestGenerated.java
@@ -501,6 +501,11 @@ public abstract class K2IntroduceVariableTestGenerated extends AbstractK2Introdu
             runTest("../../idea/tests/testData/refactoring/introduceVariable/introduceToFile.kt");
         }
 
+        @TestMetadata("invalidInplaceName.kt")
+        public void testInvalidInplaceName() throws Exception {
+            runTest("../../idea/tests/testData/refactoring/introduceVariable/invalidInplaceName.kt");
+        }
+
         @TestMetadata("It.kt")
         public void testIt() throws Exception {
             runTest("../../idea/tests/testData/refactoring/introduceVariable/It.kt");