diff --git a/vim/colors/base-grey.vim b/vim/colors/base-grey.vim
index 4c51fae..9d38f81 100644
--- a/vim/colors/base-grey.vim
+++ b/vim/colors/base-grey.vim
@@ -106,6 +106,9 @@ hi mInterfaceAdd              guifg=#344230
 hi mInterfaceModified         guifg=#404040
 hi mInterfaceDelete           guifg=#422929
 
+hi mInterfaceError            guifg=#ff0000
+hi mInterfaceWarning          guifg=#660000
+
 " syntax colour definitions
 "{{{
 
diff --git a/vim/colors/customred256.working.vim b/vim/colors/customred256.working.vim
index 378a58b..ba316fd 100644
--- a/vim/colors/customred256.working.vim
+++ b/vim/colors/customred256.working.vim
@@ -166,56 +166,4 @@ hi! def link netrwQuickHelp         netrwCmdNote
 hi! def link netrwList              InterfaceH3
 "}}}
 
-" #nerdtree highlighting
-hi! def link NERDTreeDir						InterfaceNormalBright"{{{
-hi! def link NERDTreeFile						InterfaceNormal  
-hi! def link NERDTreeOpenable				InterfaceNormal
-hi! def link NERDTreeClosable				InterfaceNormal
-hi! def link NERDTreeDirSlash				InterfaceNormal
-hi! def link NERDTreeFlags					InterfaceH2
-hi! def link NERDTreeCWD						InterfaceH1
-hi! def link NERDTreeUp							InterfaceH2
-"hi! def link NERDTreeCurrentNode InterfaceCurrent
-
-hi! def link NERDTreeHelp						InterfaceHelp
-hi! def link NERDTreeHelpKey				InterfaceHelpDark
-hi! def link NERDTreeHelpCommand		InterfaceHelpDark
-hi! def link NERDTreeHelpTitle			InterfaceHelpBright
-hi! def link NERDTreeToggleOn				InterfaceFlag
-hi! def link NERDTreeToggleOff			InterfaceFlagNormal
-
-hi! def link NERDTreeBookmarksHeader	InterfaceNormal
-hi! def link NERDTreeBookmarkName			InterfaceH1
-hi! def link NERDTreeBookmarksLeader	InterfaceNormal
-hi! def link NERDTreeBookmark					InterfaceH3
-
-hi! def link NERDTreeLinkFile				NERDTreeFile
-hi! def link NERDTreeLinkDir				NERDTreeDir
-hi! def link NERDTreeLinkTarget			InterfaceSpecial
-
-
-hi! def link NERDTreePart						InterfaceSpecial
-hi! def link NERDTreePartFile				InterfaceSpecial
-hi! def link NERDTreeExecFile				InterfaceSpecial
-
-hi! def link NERDTreeRO							InterfaceSpecial
-
-hi! def link NERDTreeCurrentNode		InterfaceH1
-
-hi! def link NERDTreeGitStatusModified   InterfaceSignWarning
-hi! def link NERDTreeGitStatusStaged     InterfaceNormalBright
-hi! def link NERDTreeGitStatusRenamed    NERDTreeGitStatusModified 
-hi! def link NERDTreeGitStatusUnmerged   InterfaceSignError
-hi! def link NERDTreeGitStatusUntracked  NERDTreeGitStatusModified 
-hi! def link NERDTreeGitStatusDirDirty   NERDTreeGitStatusModified 
-hi! def link NERDTreeGitStatusDirClean   InterfaceNormalDark
-" TODO: use diff color
-hi! def link NERDTreeGitStatusIgnored    InterfaceNormal
-"}}}
-
-" #ale highlighting
-hi! def link ALEErrorSign           InterfaceSignError"{{{
-hi! def link ALEWarningSign         InterfaceSignWarning
-"}}}
-
 " vim: foldmethod=marker
diff --git a/vim/colors/monotonous.vim b/vim/colors/monotonous.vim
index fe3ad80..b460ce7 100644
--- a/vim/colors/monotonous.vim
+++ b/vim/colors/monotonous.vim
@@ -251,4 +251,10 @@ hi! def link GitGutterChangeDelete  mInterfaceModified
 "}}}
 "}}}
 
+" #ale highlighting
+"{{{
+hi! def link ALEErrorSign           mInterfaceError
+hi! def link ALEWarningSign         mInterfaceWarning
+"}}}
+
 " vim: foldmethod=marker