diff --git a/pkgs/applications/networking/instant-messengers/slack/default.nix b/pkgs/applications/networking/instant-messengers/slack/default.nix
index b8e2bddfc6b..c01dbbb98b2 100644
--- a/pkgs/applications/networking/instant-messengers/slack/default.nix
+++ b/pkgs/applications/networking/instant-messengers/slack/default.nix
@@ -59,7 +59,7 @@ in stdenv.mkDerivation {
     mkdir -p $out
     dpkg -x $src $out
     cp -av $out/usr/* $out
-    rm -rf $out/usr $out/share/lintian
+    rm -rf $out/etc $out/usr $out/share/lintian
 
     # Otherwise it looks "suspicious"
     chmod -R g-w $out