diff --git a/Database/MongoDB.hs b/Database/MongoDB.hs
index 7361e8c..72b5cbf 100644
--- a/Database/MongoDB.hs
+++ b/Database/MongoDB.hs
@@ -48,7 +48,7 @@ module Database.MongoDB
      -- * Index
      Key, Unique,
      Direction(..),
-     createIndex, dropIndex,
+     createIndex, dropIndex, dropIndexes,
     )
 where
 import Control.Exception
@@ -654,6 +654,15 @@ dropIndex c col keys = do
                                     ("index", toBson name)]
   return ()
 
+-- | Drop all indexes on /FullCollection/.
+dropIndexes :: Connection -> FullCollection -> IO ()
+dropIndexes c col = do
+  let (db, col') = splitFullCol col
+  _ <- runCommand c db $ toBsonDoc [("deleteIndexes", toBson col'),
+                                    ("index", toBson "*")]
+  return ()
+
+
 indexName :: [(Key, Direction)] -> String
 indexName = List.concat . List.intersperse "_" . fmap partName
     where partName (k, Ascending)  = k ++ "_1"
diff --git a/TODO b/TODO
index bfca888..c260648 100644
--- a/TODO
+++ b/TODO
@@ -45,8 +45,6 @@ MongoDB
     * rename
   - index operations
     * ensureIndex
-    * dropIndex
-    * dropIndexes
     * getIndexInformation
   - misc operations
     * explain