diff --git a/quickcheck-classes-base/quickcheck-classes-base.cabal b/quickcheck-classes-base/quickcheck-classes-base.cabal
index 1297648..2e936c7 100644
--- a/quickcheck-classes-base/quickcheck-classes-base.cabal
+++ b/quickcheck-classes-base/quickcheck-classes-base.cabal
@@ -95,8 +95,6 @@ library
       , fail
   if impl(ghc < 7.8)
     build-depends: tagged
-  if impl(ghc > 7.4) && impl(ghc < 7.6)
-    build-depends: ghc-prim
   if impl(ghc > 8.5)
     cpp-options: -DHAVE_QUANTIFIED_CONSTRAINTS
   if flag(unary-laws)
diff --git a/quickcheck-classes/quickcheck-classes.cabal b/quickcheck-classes/quickcheck-classes.cabal
index f7a2158..0653952 100644
--- a/quickcheck-classes/quickcheck-classes.cabal
+++ b/quickcheck-classes/quickcheck-classes.cabal
@@ -106,8 +106,6 @@ library
       , fail
   if impl(ghc < 7.8)
     build-depends: tagged
-  if impl(ghc > 7.4) && impl(ghc < 7.6)
-    build-depends: ghc-prim
   if impl(ghc > 8.5)
     cpp-options: -DHAVE_QUANTIFIED_CONSTRAINTS
   if flag(unary-laws)