diff --git a/benchmark/AandB.hs b/benchmark/AandB.hs
index d257006..990bd4c 100644
--- a/benchmark/AandB.hs
+++ b/benchmark/AandB.hs
@@ -1,4 +1,4 @@
-import Test.QuickCheck
+import Test.Tasty.QuickCheck
 
 data A = Zero | One B deriving (Show, Eq)
 data B = Null | Two A deriving (Show, Eq)
diff --git a/benchmark/BuiltIn.con b/benchmark/BuiltIn.con
deleted file mode 100644
index e69de29..0000000
diff --git a/benchmark/BuiltIn.hs b/benchmark/BuiltIn.hs
deleted file mode 100644
index e69de29..0000000