diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/actions/diff/ChangeDiffRequestProducer.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/actions/diff/ChangeDiffRequestProducer.java
index 21d04c5ffd8f..dc88f9aeef0d 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/actions/diff/ChangeDiffRequestProducer.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/actions/diff/ChangeDiffRequestProducer.java
@@ -62,7 +62,7 @@ import java.util.Map;
 public class ChangeDiffRequestProducer implements DiffRequestProducer {
   private static final Logger LOG = Logger.getInstance(ChangeDiffRequestProducer.class);
 
-  public static Key<Change> CHANGE_KEY = Key.create("DiffRequestPresentable.Change");
+  public static final Key<Change> CHANGE_KEY = Key.create("DiffRequestPresentable.Change");
 
   @Nullable private final Project myProject;
   @NotNull private final Change myChange;
diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/history/VcsHistoryUtil.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/history/VcsHistoryUtil.java
index 39a3460f324d..19ee8dff4da3 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/history/VcsHistoryUtil.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/history/VcsHistoryUtil.java
@@ -47,7 +47,7 @@ import java.io.IOException;
 
 public class VcsHistoryUtil {
   @Deprecated
-  public static Key<Pair<FilePath, VcsRevisionNumber>> REVISION_INFO_KEY = DiffUserDataKeysEx.REVISION_INFO;
+  public static final Key<Pair<FilePath, VcsRevisionNumber>> REVISION_INFO_KEY = DiffUserDataKeysEx.REVISION_INFO;
 
   private static final Logger LOG = Logger.getInstance(VcsHistoryUtil.class);