diff --git a/lhs2TeX-hl.cabal b/lhs2TeX-hl.cabal
--- a/lhs2TeX-hl.cabal
+++ b/lhs2TeX-hl.cabal
@@ -1,5 +1,5 @@
 Name:               lhs2TeX-hl
-Version:            0.1.4.1
+Version:            0.1.4.2
 Cabal-Version:      >= 1.6
 License:            MIT
 Author:             Alessandro Vermeulen <me@alessandrovermeulen.me>
diff --git a/src/Base/CLI.hs b/src/Base/CLI.hs
--- a/src/Base/CLI.hs
+++ b/src/Base/CLI.hs
@@ -38,7 +38,7 @@
     "\\newcommand{\\lhsCHtype}[1]{\\color{datatype}{{#1}}}",
     "\\newcommand{\\lhsCHsyntax}[1]{\\color{syntax}{{#1}}}",
     "\\newcommand{\\lhsCHclass}[1]{\\color{class}{{#1}}}",
-    "\\newcommand{\\lhsCHconstant}[1]{\\color{prelude}{{#1}}}"
+    "\\newcommand{\\lhsCHconstant}[1]{\\color{constant}{{#1}}}"
   ]
 
 -- | Standard command line options. 
diff --git a/src/Base/Common.hs b/src/Base/Common.hs
--- a/src/Base/Common.hs
+++ b/src/Base/Common.hs
@@ -1,4 +1,4 @@
 module Base.Common where
   
-programVersion = "0.1.4.1"
+programVersion = "0.1.4.2"
 programName    = "lhs2TeX-hl"
diff --git a/src/Literate/Haskell.hs b/src/Literate/Haskell.hs
--- a/src/Literate/Haskell.hs
+++ b/src/Literate/Haskell.hs
@@ -11,8 +11,6 @@
 
 import Language.LaTeX
 import Literate.SimpleInfo
-
-import Debug.Trace (trace)
  
 
 newtype M = M Module deriving (Typeable, Data)
@@ -144,7 +142,7 @@
           
 mtypes :: SimpleInfo -> [(String, String)]
 mtypes SimpleInfo{types} = map dp types
-moperators SimpleInfo{operators} = trace "Operators:\n" $ trace (show operators) $ map (\ a -> (a, "\\ \\mathbin{"++ makeLatexSafe a++"}\\ ")) 
+moperators SimpleInfo{operators} = map (\ a -> (a, "\\ \\mathbin{"++ makeLatexSafe a++"}\\ ")) 
                                        operators
 mconstructors SimpleInfo{constructors} = map (dp) constructors
 mfunctions SimpleInfo{functions   } = map (dp) functions