diff --git a/platform/vcs-api/src/com/intellij/openapi/vcs/VcsRootChecker.java b/platform/vcs-api/src/com/intellij/openapi/vcs/VcsRootChecker.java
index 23a965b2549b..930edfd06f00 100644
--- a/platform/vcs-api/src/com/intellij/openapi/vcs/VcsRootChecker.java
+++ b/platform/vcs-api/src/com/intellij/openapi/vcs/VcsRootChecker.java
@@ -36,13 +36,6 @@ public abstract class VcsRootChecker {
     return false;
   }
 
-  /**
-   * Checks if the given directory is a root of the supported VCS.
-   */
-  public boolean isRoot(@NotNull VirtualFile maybeRoot) {
-    return isRoot(maybeRoot.getPath());
-  }
-
   /**
    * Returns the VCS supported by this checker.
    */
diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/roots/VcsRootDetectorImpl.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/roots/VcsRootDetectorImpl.java
index 6b83d7a6146d..fc4b1a6ec7fe 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/roots/VcsRootDetectorImpl.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/roots/VcsRootDetectorImpl.java
@@ -143,8 +143,9 @@ public class VcsRootDetectorImpl implements VcsRootDetector {
 
   @Nullable
   private AbstractVcs getVcsFor(@NotNull VirtualFile maybeRoot, @Nullable VirtualFile dirToCheckForIgnore) {
+    String path = maybeRoot.getPath();
     for (VcsRootChecker checker : myCheckers) {
-      if (checker.isRoot(maybeRoot) && (dirToCheckForIgnore == null || !checker.isIgnored(maybeRoot, dirToCheckForIgnore))) {
+      if (checker.isRoot(path) && (dirToCheckForIgnore == null || !checker.isIgnored(maybeRoot, dirToCheckForIgnore))) {
         return myVcsManager.findVcsByName(checker.getSupportedVcs().getName());
       }
     }
diff --git a/plugins/git4idea/src/git4idea/roots/GitRootChecker.java b/plugins/git4idea/src/git4idea/roots/GitRootChecker.java
index 8f91dac7c68d..5d40640511d1 100644
--- a/plugins/git4idea/src/git4idea/roots/GitRootChecker.java
+++ b/plugins/git4idea/src/git4idea/roots/GitRootChecker.java
@@ -39,11 +39,6 @@ public class GitRootChecker extends VcsRootChecker {
     return GitUtil.isGitRoot(path);
   }
 
-  @Override
-  public boolean isRoot(@NotNull VirtualFile maybeRoot) {
-    return GitUtil.findGitDir(maybeRoot) != null;
-  }
-
   @Override
   @NotNull
   public VcsKey getSupportedVcs() {
diff --git a/plugins/hg4idea/src/org/zmlx/hg4idea/roots/HgRootChecker.java b/plugins/hg4idea/src/org/zmlx/hg4idea/roots/HgRootChecker.java
index fb2143d01c4d..887568a6a15d 100644
--- a/plugins/hg4idea/src/org/zmlx/hg4idea/roots/HgRootChecker.java
+++ b/plugins/hg4idea/src/org/zmlx/hg4idea/roots/HgRootChecker.java
@@ -17,8 +17,6 @@ package org.zmlx.hg4idea.roots;
 
 import com.intellij.openapi.vcs.VcsKey;
 import com.intellij.openapi.vcs.VcsRootChecker;
-import com.intellij.openapi.vfs.VfsUtil;
-import com.intellij.openapi.vfs.VirtualFile;
 import org.jetbrains.annotations.NotNull;
 import org.zmlx.hg4idea.HgVcs;
 import org.zmlx.hg4idea.util.HgUtil;
@@ -35,11 +33,6 @@ public class HgRootChecker extends VcsRootChecker {
     return new File(path, HgUtil.DOT_HG).exists();
   }
 
-  @Override
-  public boolean isRoot(@NotNull VirtualFile maybeRoot) {
-    return VfsUtil.refreshAndFindChild(maybeRoot, HgUtil.DOT_HG) != null;
-  }
-
   @NotNull
   @Override
   public VcsKey getSupportedVcs() {