diff --git a/java/java-impl/src/com/intellij/refactoring/changeSignature/JavaParameterInfo.java b/java/java-impl/src/com/intellij/refactoring/changeSignature/JavaParameterInfo.java
index 99a9f63a431d..bc5740508172 100644
--- a/java/java-impl/src/com/intellij/refactoring/changeSignature/JavaParameterInfo.java
+++ b/java/java-impl/src/com/intellij/refactoring/changeSignature/JavaParameterInfo.java
@@ -41,4 +41,5 @@ public interface JavaParameterInfo extends ParameterInfo {
 
   boolean isVarargType();
 
+  default void setType(@Nullable PsiType type) {}
 }
diff --git a/java/java-impl/src/com/intellij/refactoring/changeSignature/ParameterInfoImpl.java b/java/java-impl/src/com/intellij/refactoring/changeSignature/ParameterInfoImpl.java
index ecb68903d1da..9bc2bba3b570 100644
--- a/java/java-impl/src/com/intellij/refactoring/changeSignature/ParameterInfoImpl.java
+++ b/java/java-impl/src/com/intellij/refactoring/changeSignature/ParameterInfoImpl.java
@@ -124,6 +124,7 @@ public class ParameterInfoImpl implements JavaParameterInfo {
     }
   }
 
+  @Override
   public void setType(PsiType type) {
     myType = CanonicalTypes.createTypeWrapper(type);
   }
diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/changeSignature/GrParameterInfo.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/changeSignature/GrParameterInfo.java
index deb6f2f47faf..a9fca573c9e1 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/changeSignature/GrParameterInfo.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/changeSignature/GrParameterInfo.java
@@ -155,6 +155,7 @@ public class GrParameterInfo implements JavaParameterInfo {
     myName = newName;
   }
 
+  @Override
   public void setType(@Nullable PsiType type) {
     myTypeWrapper = type == null ? null : CanonicalTypes.createTypeWrapper(type);
   }