diff --git a/pkgs/build-support/dotnetenv/build-solution.nix b/pkgs/build-support/dotnetenv/build-solution.nix
index 62370d361cd0..57af1fe9bd49 100644
--- a/pkgs/build-support/dotnetenv/build-solution.nix
+++ b/pkgs/build-support/dotnetenv/build-solution.nix
@@ -16,20 +16,20 @@ assert modifyPublicMain -> mainClassFile != null;
 
 stdenv.mkDerivation {
   inherit name src;
-  
-  buildInputs = [ dotnetfx ];  
+
+  buildInputs = [ dotnetfx ];
 
   preConfigure = ''
     cd ${baseDir}
   '';
-  
+
   preBuild = ''
     ${stdenv.lib.optionalString modifyPublicMain ''
       sed -i -e "s|static void Main|public static void Main|" ${mainClassFile}
     ''}
     ${preBuild}
   '';
-  
+
   installPhase = ''
     addDeps()
     {
@@ -39,44 +39,44 @@ stdenv.mkDerivation {
 	    do
 		windowsPath=$(cygpath --windows $i)
 		assemblySearchPaths="$assemblySearchPaths;$windowsPath"
-		
+
 		addDeps $i
 	    done
 	fi
     }
-    
+
     for i in ${toString assemblyInputs}
     do
-	windowsPath=$(cygpath --windows $i) 
+	windowsPath=$(cygpath --windows $i)
 	echo "Using assembly path: $windowsPath"
-	
+
 	if [ "$assemblySearchPaths" = "" ]
 	then
 	    assemblySearchPaths="$windowsPath"
 	else
 	    assemblySearchPaths="$assemblySearchPaths;$windowsPath"
 	fi
-	
+
 	addDeps $i
     done
-      
+
     echo "Assembly search paths are: $assemblySearchPaths"
-    
+
     if [ "$assemblySearchPaths" != "" ]
     then
 	echo "Using assembly search paths args: $assemblySearchPathsArg"
 	export AssemblySearchPaths=$assemblySearchPaths
     fi
-    
+
     mkdir -p $out
     MSBuild.exe ${toString slnFile} /nologo /t:${targets} /p:IntermediateOutputPath=$(cygpath --windows $out)\\ /p:OutputPath=$(cygpath --windows $out)\\ /verbosity:${verbosity} ${options}
-    
+
     # Because .NET assemblies store strings as UTF-16 internally, we cannot detect
     # hashes. Therefore a text files containing the proper paths is created
     # We can also use this file the propagate transitive dependencies.
-    
+
     mkdir -p $out/nix-support
-    
+
     for i in ${toString assemblyInputs}
     do
         echo $i >> $out/nix-support/dotnet-assemblies
diff --git a/pkgs/build-support/dotnetenv/default.nix b/pkgs/build-support/dotnetenv/default.nix
index 781a5ba8c0ee..c7145504eb7b 100644
--- a/pkgs/build-support/dotnetenv/default.nix
+++ b/pkgs/build-support/dotnetenv/default.nix
@@ -10,7 +10,7 @@ let dotnetenv =
   buildWrapper = import ./wrapper.nix {
     inherit dotnetenv;
   };
-  
+
   inherit (dotnetfx) assembly20Path wcfPath referenceAssembly30Path referenceAssembly35Path;
 };
 in
diff --git a/pkgs/build-support/dotnetenv/wrapper.nix b/pkgs/build-support/dotnetenv/wrapper.nix
index 4b07fc27dcb0..423303c3084a 100644
--- a/pkgs/build-support/dotnetenv/wrapper.nix
+++ b/pkgs/build-support/dotnetenv/wrapper.nix
@@ -36,25 +36,25 @@ dotnetenv.buildSolution {
 	    do
 		windowsPath=$(cygpath --windows $i | sed 's|\\|\\\\|g')
 		assemblySearchArray="$assemblySearchArray @\"$windowsPath\""
-		
+
 		addRuntimeDeps $i
 	    done
 	fi
     }
-    
+
     export exePath=$(cygpath --windows $(find ${application} -name \*.exe) | sed 's|\\|\\\\|g')
-    
+
     # Generate assemblySearchPaths string array contents
     for path in ${toString assemblyInputs}
     do
         assemblySearchArray="$assemblySearchArray @\"$(cygpath --windows $path | sed 's|\\|\\\\|g')\", "
 	addRuntimeDeps $path
     done
-    
+
     sed -e "s|@ROOTNAMESPACE@|${namespace}Wrapper|" \
         -e "s|@ASSEMBLYNAME@|${namespace}|" \
         Wrapper/Wrapper.csproj.in > Wrapper/Wrapper.csproj
-    
+
     sed -e "s|@NAMESPACE@|${namespace}|g" \
         -e "s|@MAINCLASSNAME@|${mainClassName}|g" \
 	-e "s|@EXEPATH@|$exePath|g" \