diff --git a/plugin/Compat.hs b/plugin/Compat.hs
index eb4637b..ac9ee0f 100644
--- a/plugin/Compat.hs
+++ b/plugin/Compat.hs
@@ -28,7 +28,9 @@ import RnTypes as Compat
 import UniqSupply
 #else
 import GHC.Types.Basic
+#if __GLASGOW_HASKELL__ < 906
 import GHC.Unit.Types
+#endif
 #if __GLASGOW_HASKELL__ < 902
 import GHC.Parser.Annotation
 #endif