diff --git a/java/java-impl/src/com/intellij/find/findUsages/ThrowsUsageTargetProvider.java b/java/java-impl/src/com/intellij/find/findUsages/ThrowsUsageTargetProvider.java
index a9ddf98673e6..80a6b5a84702 100644
--- a/java/java-impl/src/com/intellij/find/findUsages/ThrowsUsageTargetProvider.java
+++ b/java/java-impl/src/com/intellij/find/findUsages/ThrowsUsageTargetProvider.java
@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 /*
  * @author max
@@ -48,9 +34,4 @@ public class ThrowsUsageTargetProvider implements UsageTargetProvider {
 
     return null;
   }
-
-  @Override
-  public UsageTarget[] getTargets(@NotNull PsiElement psiElement) {
-    return null;
-  }
-}
\ No newline at end of file
+}
diff --git a/platform/lang-impl/src/com/intellij/find/findUsages/DefaultUsageTargetProvider.java b/platform/lang-impl/src/com/intellij/find/findUsages/DefaultUsageTargetProvider.java
index 568e6da343cc..6d1b8d68640d 100644
--- a/platform/lang-impl/src/com/intellij/find/findUsages/DefaultUsageTargetProvider.java
+++ b/platform/lang-impl/src/com/intellij/find/findUsages/DefaultUsageTargetProvider.java
@@ -1,35 +1,14 @@
-/*
- * Copyright 2000-2009 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.find.findUsages;
 
 import com.intellij.find.FindManager;
 import com.intellij.navigation.NavigationItem;
-import com.intellij.openapi.editor.Editor;
-import com.intellij.psi.PsiFile;
 import com.intellij.psi.PsiElement;
 import com.intellij.usages.UsageTarget;
 import com.intellij.usages.UsageTargetProvider;
 import org.jetbrains.annotations.NotNull;
 
 public class DefaultUsageTargetProvider implements UsageTargetProvider {
-  @Override
-  public UsageTarget[] getTargets(@NotNull Editor editor, @NotNull PsiFile file) {
-    return null;
-  }
 
   @Override
   public UsageTarget[] getTargets(@NotNull PsiElement psiElement) {
diff --git a/platform/usageView/src/com/intellij/usages/UsageTargetProvider.java b/platform/usageView/src/com/intellij/usages/UsageTargetProvider.java
index 6ec844d48acd..8a6020d8bbe7 100644
--- a/platform/usageView/src/com/intellij/usages/UsageTargetProvider.java
+++ b/platform/usageView/src/com/intellij/usages/UsageTargetProvider.java
@@ -1,22 +1,4 @@
-/*
- * Copyright 2000-2009 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * @author max
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.usages;
 
 import com.intellij.openapi.editor.Editor;
@@ -26,9 +8,14 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public interface UsageTargetProvider {
-  @Nullable
-  UsageTarget[] getTargets(@NotNull Editor editor, @NotNull PsiFile file);
 
   @Nullable
-  UsageTarget[] getTargets(@NotNull PsiElement psiElement);
-}
\ No newline at end of file
+  default UsageTarget[] getTargets(@NotNull Editor editor, @NotNull PsiFile file) {
+    return null;
+  }
+
+  @Nullable
+  default UsageTarget[] getTargets(@NotNull PsiElement psiElement) {
+    return null;
+  }
+}
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/references/MavenUsageTargetProvider.java b/plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/references/MavenUsageTargetProvider.java
index 71f0e6696151..c6156dd9466e 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/references/MavenUsageTargetProvider.java
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/references/MavenUsageTargetProvider.java
@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2009 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package org.jetbrains.idea.maven.dom.references;
 
 import com.intellij.find.findUsages.PsiElement2UsageTargetAdapter;
@@ -30,9 +16,4 @@ public class MavenUsageTargetProvider implements UsageTargetProvider {
     if (target == null) return UsageTarget.EMPTY_ARRAY;
     return new UsageTarget[]{new PsiElement2UsageTargetAdapter(target)};
   }
-
-  @Override
-  public UsageTarget[] getTargets(@NotNull PsiElement psiElement) {
-    return UsageTarget.EMPTY_ARRAY;
-  }
 }
diff --git a/python/src/com/jetbrains/python/magicLiteral/PyMagicLiteralUsageTargetProvider.java b/python/src/com/jetbrains/python/magicLiteral/PyMagicLiteralUsageTargetProvider.java
index a9bf83a39af3..d5f19ad9f6e4 100644
--- a/python/src/com/jetbrains/python/magicLiteral/PyMagicLiteralUsageTargetProvider.java
+++ b/python/src/com/jetbrains/python/magicLiteral/PyMagicLiteralUsageTargetProvider.java
@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2014 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.jetbrains.python.magicLiteral;
 
 import com.intellij.find.findUsages.PsiElement2UsageTargetAdapter;
@@ -46,10 +32,4 @@ class PyMagicLiteralUsageTargetProvider implements UsageTargetProvider {
     }
     return UsageTarget.EMPTY_ARRAY;
   }
-
-  @Nullable
-  @Override
-  public UsageTarget[] getTargets(@NotNull final PsiElement psiElement) {
-    return UsageTarget.EMPTY_ARRAY;
-  }
 }