diff --git a/src/Base.hs b/src/Base.hs
index 879c69430..ca44e7bed 100644
--- a/src/Base.hs
+++ b/src/Base.hs
@@ -75,7 +75,6 @@ import GHC.Stack as X (
   , prettySrcLoc
   , currentCallStack
   , getCallStack
-  , showCallStack
   , prettyCallStack
   )