diff --git a/ghc-MemoTrie.spec b/ghc-MemoTrie.spec
index a9bc68c..c3c43b1 100644
--- a/ghc-MemoTrie.spec
+++ b/ghc-MemoTrie.spec
@@ -27,8 +27,6 @@ BuildRequires:  ghc-base-prof
 #BuildRequires:  ghc-newtype-generics-prof
 BuildRequires:  chrpath
 # End cabal-rpm deps
-# for newtype-generics:
-BuildRequires:  ghc-transformers-devel
 
 %description
 MemoTrie provides a basis for memoized functions over some domains, using