diff --git a/platform/vcs-log/api/src/com/intellij/vcs/log/Hash.java b/platform/vcs-log/api/src/com/intellij/vcs/log/Hash.java
index 20692392a9d5..0d148d0d1ba6 100644
--- a/platform/vcs-log/api/src/com/intellij/vcs/log/Hash.java
+++ b/platform/vcs-log/api/src/com/intellij/vcs/log/Hash.java
@@ -4,7 +4,6 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.Arrays;
-import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -18,13 +17,6 @@ import java.util.Map;
  */
 public final class Hash {
 
-  private static final Comparator<Hash> DEBUG_COMPARATOR = new Comparator<Hash>() {
-    @Override
-    public int compare(Hash o1, Hash o2) {
-      return o1.toStrHash().compareTo(o2.toStrHash());
-    }
-  };
-
   private static final int SHORT_HASH_LENGTH = 7;
   private static final int CAPABILITY = 5000;
   private static final Map<Hash, Hash> ourCache = new HashMap<Hash, Hash>(CAPABILITY);