diff --git a/pkgs/os-specific/linux/scx/scx_cscheds.nix b/pkgs/os-specific/linux/scx/scx_cscheds.nix
index d262c8b0d513..e024239ccb50 100644
--- a/pkgs/os-specific/linux/scx/scx_cscheds.nix
+++ b/pkgs/os-specific/linux/scx/scx_cscheds.nix
@@ -118,10 +118,9 @@ llvmPackages.stdenv.mkDerivation (finalAttrs: {
 
   # We copy the compiled header files to the dev output
   # These are needed for the rust schedulers
-  preInstall = ''
-    mkdir -p ${placeholder "dev"}/libbpf ${placeholder "dev"}/bpftool
-    cp -r libbpf/* ${placeholder "dev"}/libbpf/
-    cp -r bpftool/* ${placeholder "dev"}/bpftool/
+  postFixup = ''
+    mkdir -p ${placeholder "dev"}
+    cp -r libbpf ${placeholder "dev"}
   '';
 
   outputs = [
diff --git a/pkgs/os-specific/linux/scx/scx_rustscheds.nix b/pkgs/os-specific/linux/scx/scx_rustscheds.nix
index ed58e7bc7726..5678a8a788ba 100644
--- a/pkgs/os-specific/linux/scx/scx_rustscheds.nix
+++ b/pkgs/os-specific/linux/scx/scx_rustscheds.nix
@@ -20,8 +20,7 @@ rustPlatform.buildRustPackage {
 
   # Copy compiled headers and libs from scx.cscheds
   postPatch = ''
-    mkdir bpftool libbpf
-    cp -r ${scx.cscheds.dev}/bpftool/* bpftool/
+    mkdir libbpf
     cp -r ${scx.cscheds.dev}/libbpf/* libbpf/
   '';