diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,5 +1,12 @@
-0.5.0.8 (15 April 2014)
+0.5.0.9 (15 April 2014)
 -----------------------
+
+  - Fix bug introduced by 0.5.0.8 release (accidentally included
+    commit meant for compatibility with unreleased versions of other
+    diagrams packages)
+
+0.5.0.8 (15 April 2014) (BROKEN)
+--------------------------------
 
   - Allow `haskell-src-exts-1.15`
 
diff --git a/diagrams-builder.cabal b/diagrams-builder.cabal
--- a/diagrams-builder.cabal
+++ b/diagrams-builder.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-builder
-version:             0.5.0.8
+version:             0.5.0.9
 synopsis:            hint-based build service for the diagrams graphics EDSL.
 
 description:         @diagrams-builder@ provides backend-agnostic tools for
diff --git a/src/Diagrams/Builder.hs b/src/Diagrams/Builder.hs
--- a/src/Diagrams/Builder.hs
+++ b/src/Diagrams/Builder.hs
@@ -47,7 +47,6 @@
 import           Control.Monad                       (guard, mplus, mzero)
 import           Control.Monad.Catch                 (catchAll)
 import           Control.Monad.Trans.Maybe           (MaybeT, runMaybeT)
-import           Data.Data
 import           Data.Hashable                       (Hashable (..))
 import           Data.List                           (foldl', nub)
 import           Data.List.Split                     (splitOn)
@@ -120,7 +119,7 @@
 --   expression can be of type @Diagram b v@ or @IO (Diagram b v)@.
 interpretDiagram
   :: forall b v.
-     ( Typeable b, Typeable v, Data v, Data (Scalar v)
+     ( Typeable b, Typeable v
      , InnerSpace v, OrderedField (Scalar v), Backend b v
      )
   => BuildOpts b v
@@ -171,7 +170,7 @@
 --   parse error if the source does not parse, an interpreter error,
 --   or the final result.
 buildDiagram
-  :: ( Typeable b, Typeable v, Data v, Data (Scalar v)
+  :: ( Typeable b, Typeable v
      , InnerSpace v, OrderedField (Scalar v), Backend b v
      , Hashable (Options b v)
      )