diff --git a/ats-pkg.cabal b/ats-pkg.cabal
--- a/ats-pkg.cabal
+++ b/ats-pkg.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.0
 name: ats-pkg
-version: 3.0.0.10
+version: 3.0.0.11
 license: BSD3
 license-file: LICENSE
 copyright: Copyright: (c) 2018 Vanessa McHale
diff --git a/src/Language/ATS/Package/PackageSet.hs b/src/Language/ATS/Package/PackageSet.hs
--- a/src/Language/ATS/Package/PackageSet.hs
+++ b/src/Language/ATS/Package/PackageSet.hs
@@ -75,7 +75,7 @@
     where finalize = fmap (fmap (fmap (lookupVersions aps)))
           resolve = resolveDependencies (atsPkgsToPkgs libDeps aps)
           selfDepend (Dependency ln ds v) = case lookup ln names of
-                Just v' -> Dependency ln ((ln, canonicalize v') : ds) (traceShowId v)
+                Just v' -> Dependency ln ((ln, canonicalize v') : ds) v
                 Nothing -> Dependency ln ds v
           stringBuildPlan names' = sequence [ lookup' x libs | (x, _) <- names' ]
               where libs = (unpack . libName &&& id) <$> ps