diff --git a/modules/lib-bash/activation-init.sh b/modules/lib-bash/activation-init.sh
old mode 100755
new mode 100644
index aadc88dd3..3b0f5320a
--- a/modules/lib-bash/activation-init.sh
+++ b/modules/lib-bash/activation-init.sh
@@ -1,5 +1,3 @@
-#!/usr/bin/env bash
-
 function setupVars() {
     local nixStateDir="${NIX_STATE_DIR:-/nix/var/nix}"
     local profilesPath="$nixStateDir/profiles/per-user/$USER"