diff --git a/azure-blob-storage/src/Azure/DeleteBlob.hs b/azure-blob-storage/src/Azure/DeleteBlob.hs
index bbdaeae..d755210 100644
--- a/azure-blob-storage/src/Azure/DeleteBlob.hs
+++ b/azure-blob-storage/src/Azure/DeleteBlob.hs
@@ -1,5 +1,4 @@
 {-# LANGUAGE DeriveGeneric #-}
-{-# LANGUAGE InstanceSigs #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE NamedFieldPuns #-}
 {-# LANGUAGE OverloadedStrings #-}