diff --git a/colors/paper-tonic.lua b/colors/paper-tonic.lua
index 3acd6ed..f96301e 100644
--- a/colors/paper-tonic.lua
+++ b/colors/paper-tonic.lua
@@ -847,15 +847,8 @@ local highlight_groups = {
     IndentGuidesOdd = {bg = c_bg_hl},
     IndentGuidesEven = {bg = c_bg_hl_strong},
 
-    --[[ 4.4.7. NERDTree ]]
-    NERDTreeCWD = 'Label',
-    NERDTreeUp = 'Operator',
-    NERDTreeDir = 'Directory',
-    NERDTreeDirSlash = 'Delimiter',
-    NERDTreeOpenable = 'NERDTreeDir',
-    NERDTreeClosable = 'NERDTreeOpenable',
-    NERDTreeExecFile = 'Function',
-    NERDTreeLinkTarget = 'Tag',
+    --[[ 4.4.7. Netrw ]]
+    netrwMarkFile = 'Search',
 
     --[[ 4.4.8. nvim-treesitter ]]
     TSConstBuiltin = 'Constant',