diff --git a/pkgs/os-specific/darwin/by-name/sy/system_cmds/meson.build.in b/pkgs/os-specific/darwin/by-name/sy/system_cmds/meson.build.in
index 3263cdb2837c..c36450b916df 100644
--- a/pkgs/os-specific/darwin/by-name/sy/system_cmds/meson.build.in
+++ b/pkgs/os-specific/darwin/by-name/sy/system_cmds/meson.build.in
@@ -186,10 +186,7 @@ executable(
     build_by_default : false,
     install : false,
     sources : [
-        'gcore/convert.c',
         'gcore/corefile.c',
-        'gcore/dyld.c',
-        'gcore/dyld_shared_cache.c',
         'gcore/gcore_framework.m',
         'gcore/main.c',
         'gcore/notes.c',
diff --git a/pkgs/os-specific/darwin/by-name/sy/system_cmds/package.nix b/pkgs/os-specific/darwin/by-name/sy/system_cmds/package.nix
index c58fbcc65d90..1fdb00d9a735 100644
--- a/pkgs/os-specific/darwin/by-name/sy/system_cmds/package.nix
+++ b/pkgs/os-specific/darwin/by-name/sy/system_cmds/package.nix
@@ -101,7 +101,7 @@ in
 mkAppleDerivation {
   releaseName = "system_cmds";
 
-  xcodeHash = "sha256-gdtn3zNIneZKy6+X0mQ51CFVLNM6JQYLbd/lotG5/Tw=";
+  xcodeHash = "sha256-/JFbwYJA2sx3F+ihyxemZX/LK3y5HLZSbQFDdvctzmQ=";
 
   patches = [
     # `posix_spawnattr_set_use_sec_transition_shims_np` is only available on macOS 15.2 or newer.
diff --git a/pkgs/os-specific/darwin/sourceRelease/versions.json b/pkgs/os-specific/darwin/sourceRelease/versions.json
index f1ddc4f78246..25ff4f6c47bb 100644
--- a/pkgs/os-specific/darwin/sourceRelease/versions.json
+++ b/pkgs/os-specific/darwin/sourceRelease/versions.json
@@ -264,8 +264,8 @@
     "version": "326"
   },
   "system_cmds": {
-    "hash": "sha256-mEo+v0m+aP42XHHwibGKPkT55JFYLTOD5YT5IYQ8Hr0=",
-    "version": "1026.140.2"
+    "hash": "sha256-OYLCu2pPe10apZEK5kgINcEvxRFFPYquPzcRNkvtJKI=",
+    "version": "1039"
   },
   "text_cmds": {
     "hash": "sha256-5BBH/v1mJpExz65VDX6oh3dFCz49E+JMqJxkO96Y/xo=",