diff --git a/src/Data/Bifunctor/Join.hs b/src/Data/Bifunctor/Join.hs
index 6628c948b..cfa631fa8 100644
--- a/src/Data/Bifunctor/Join.hs
+++ b/src/Data/Bifunctor/Join.hs
@@ -1,3 +1 @@
 module Data.Bifunctor.Join where
-
-newtype Join p a = { runJoin :: p a a }