diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrDynamicImplicitProperty.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrDynamicImplicitProperty.java
index 0cc09c7d6f7e..1526b34b8561 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrDynamicImplicitProperty.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrDynamicImplicitProperty.java
@@ -26,6 +26,7 @@ import com.intellij.psi.search.ProjectScope;
 import com.intellij.psi.search.SearchScope;
 import com.intellij.ui.treeStructure.treetable.ListTreeTableModelOnColumns;
 import com.intellij.ui.treeStructure.treetable.TreeTable;
+import com.intellij.util.IncorrectOperationException;
 import com.intellij.util.ui.tree.TreeUtil;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
@@ -192,4 +193,9 @@ public class GrDynamicImplicitProperty extends GrImplicitVariableImpl implements
     public boolean isDeprecated() {
         return false;
     }
+
+  @Override
+  public void setInitializer(@Nullable PsiExpression initializer) throws IncorrectOperationException {
+
+  }
 }
\ No newline at end of file
diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrLightField.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrLightField.java
index 7b17063a0a07..6a819acb86e6 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrLightField.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/synthetic/GrLightField.java
@@ -19,8 +19,10 @@ import com.intellij.psi.*;
 import com.intellij.psi.impl.PsiManagerEx;
 import com.intellij.psi.javadoc.PsiDocComment;
 import com.intellij.psi.search.SearchScope;
+import com.intellij.util.IncorrectOperationException;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * @author sergey.evdokimov
@@ -69,4 +71,9 @@ public class GrLightField extends GrLightVariable implements PsiField {
   public PsiClass getContainingClass() {
     return myContainingClass;
   }
+
+  @Override
+  public void setInitializer(@Nullable PsiExpression initializer) throws IncorrectOperationException {
+
+  }
 }