1 files changed, 0 insertions, 6 deletions
diff --git a/src/mongo/db/keypattern.h b/src/mongo/db/keypattern.h
index ac31301b7f2..eb3c9d9da41 100644
--- a/src/mongo/db/keypattern.h
+++ b/src/mongo/db/keypattern.h
@@ -53,12 +53,6 @@ namespace mongo {
 class KeyPattern {
 public:
     /**
-     * Is the provided key pattern the index over the ID field?
-     * The always required ID index is always {_id: 1} or {_id: -1}.
-     */
-    static bool isIdKeyPattern(const BSONObj& pattern);
-
-    /**
      * Is the provided key pattern ordered increasing or decreasing or not?
      */
     static bool isOrderedKeyPattern(const BSONObj& pattern);