diff --git a/platform/platform-api/src/com/intellij/openapi/vfs/LocalFileSystem.java b/platform/platform-api/src/com/intellij/openapi/vfs/LocalFileSystem.java
index 78d375d20a99..871202e1f258 100644
--- a/platform/platform-api/src/com/intellij/openapi/vfs/LocalFileSystem.java
+++ b/platform/platform-api/src/com/intellij/openapi/vfs/LocalFileSystem.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2015 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.
@@ -44,30 +44,6 @@ public abstract class LocalFileSystem extends NewVirtualFileSystem {
     return LocalFileSystemHolder.ourInstance;
   }
 
-  /**
-   * Checks whether given file is a symbolic link.
-   *
-   * @param file a file to check.
-   * @return <code>true</code> if the file is a symbolic link, <code>false</code> otherwise
-   * @since 11.0
-   */
-  @Override
-  public boolean isSymLink(@NotNull final VirtualFile file) {
-    return false;
-  }
-
-  /**
-   * Checks whether given file is a special file.
-   *
-   * @param file a file to check.
-   * @return <code>true</code> if the file exists and is a special one, <code>false</code> otherwise
-   * @since 11.0
-   */
-  @Override
-  public boolean isSpecialFile(@NotNull final VirtualFile file) {
-    return false;
-  }
-
   @Nullable
   public abstract VirtualFile findFileByIoFile(@NotNull File file);
 
@@ -141,6 +117,7 @@ public abstract class LocalFileSystem extends NewVirtualFileSystem {
     return result.size() == 1 ? result.iterator().next() : null;
   }
 
+  @NotNull
   public abstract Set<WatchRequest> replaceWatchedRoots(@NotNull final Collection<WatchRequest> watchRequests,
                                                         @Nullable final Collection<String> recursiveRoots,
                                                         @Nullable final Collection<String> flatRoots);
diff --git a/platform/platform-impl/src/com/intellij/openapi/vfs/ex/temp/TempFileSystem.java b/platform/platform-impl/src/com/intellij/openapi/vfs/ex/temp/TempFileSystem.java
index 33ecf625c05d..ee76887c9c5f 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vfs/ex/temp/TempFileSystem.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vfs/ex/temp/TempFileSystem.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2015 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.
@@ -378,6 +378,7 @@ public class TempFileSystem extends LocalFileSystemBase {
     throw new IncorrectOperationException();
   }
 
+  @NotNull
   @Override
   public Set<WatchRequest> replaceWatchedRoots(@NotNull Collection<WatchRequest> watchRequests,
                                                @Nullable Collection<String> recursiveRoots,
diff --git a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemImpl.java b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemImpl.java
index 132d61496687..7f64dbda914d 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemImpl.java
@@ -386,6 +386,7 @@ public final class LocalFileSystemImpl extends LocalFileSystemBase implements Ap
     });
   }
 
+  @NotNull
   @Override
   public Set<WatchRequest> replaceWatchedRoots(@NotNull final Collection<WatchRequest> watchRequests,
                                                @Nullable final Collection<String> _recursiveRoots,
diff --git a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/win32/Win32LocalFileSystem.java b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/win32/Win32LocalFileSystem.java
index 3bbba55e0992..b850cfdedb36 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/win32/Win32LocalFileSystem.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/win32/Win32LocalFileSystem.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2012 JetBrains s.r.o.
+ * Copyright 2000-2015 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.
@@ -73,6 +73,7 @@ public class Win32LocalFileSystem extends LocalFileSystemBase {
     throw new UnsupportedOperationException();
   }
 
+  @NotNull
   @Override
   public Set<WatchRequest> replaceWatchedRoots(@NotNull Collection<WatchRequest> watchRequests,
                                                @Nullable Collection<String> recursiveRoots,
diff --git a/platform/testFramework/src/com/intellij/mock/MockLocalFileSystem.java b/platform/testFramework/src/com/intellij/mock/MockLocalFileSystem.java
index 23a371a12f0e..1c62d742ddc5 100644
--- a/platform/testFramework/src/com/intellij/mock/MockLocalFileSystem.java
+++ b/platform/testFramework/src/com/intellij/mock/MockLocalFileSystem.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2015 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.
@@ -92,6 +92,7 @@ public class MockLocalFileSystem extends LocalFileSystem {
     throw new UnsupportedOperationException("Not implemented in " + getClass().getName());
   }
 
+  @NotNull
   @Override
   public Set<WatchRequest> replaceWatchedRoots(@NotNull Collection<WatchRequest> watchRequests,
                                                @Nullable Collection<String> recursiveRoots,