diff --git a/src/Servant/JQuery/Internal.hs b/src/Servant/JQuery/Internal.hs
index a2cab3ca..24d811f9 100644
--- a/src/Servant/JQuery/Internal.hs
+++ b/src/Servant/JQuery/Internal.hs
@@ -117,8 +117,6 @@ toValidFunctionName [] = "_"
 
 type MatrixArg = QueryArg
 
-type MatrixArg = QueryArg
-
 data Url = Url
   { _path     :: Path
   , _queryStr :: [QueryArg]