diff --git a/admin/tree-sitter/treesit-admin.el b/admin/tree-sitter/treesit-admin.el
index c15768a9c0d..5e78f930443 100644
--- a/admin/tree-sitter/treesit-admin.el
+++ b/admin/tree-sitter/treesit-admin.el
@@ -138,14 +138,12 @@ This is done by `require'ing all of the features that extend it."
    (lambda (source)
      (cond ((or (memq :revision source)
                 (memq :commit source))
-            (when (memq :revision source)
-              (let ((unversioned-source (copy-sequence source)))
-                (setcar (cdr (memq :revision unversioned-source)) nil)
-                unversioned-source))
-            (when (memq :commit source)
-              (let ((unversioned-source (copy-sequence source)))
-                (setcar (cdr (memq :commit unversioned-source)) nil)
-                unversioned-source)))
+            (let ((unversioned-source (copy-sequence source)))
+              (when (memq :revision source)
+                (setcar (cdr (memq :revision unversioned-source)) nil))
+              (when (memq :commit source)
+                (setcar (cdr (memq :commit unversioned-source)) nil))
+              unversioned-source))
            ((nthcdr 2 source)
             (let ((unversioned-source (copy-sequence source)))
               (setcar (nthcdr 2 unversioned-source) nil)