diff --git a/data/theme/HACKING b/data/theme/HACKING
deleted file mode 100644
index 739dfee9b..000000000
--- a/data/theme/HACKING
+++ /dev/null
@@ -1,3 +0,0 @@
-To generate the css files, from the project directory:
-
-sass --sourcemap=none --update .
diff --git a/data/theme/gnome-shell-sass/HACKING b/data/theme/gnome-shell-sass/HACKING
deleted file mode 100644
index 2a8554b34..000000000
--- a/data/theme/gnome-shell-sass/HACKING
+++ /dev/null
@@ -1,6 +0,0 @@
---- Generating the css file ---
-
-You need sass to generate the css file.
-
-To generate them run from a command line in the project directory:
-sass --sourcemap=none --update ./