diff --git a/modules/tools/tree-sitter/autoload/compat-30.el b/modules/tools/tree-sitter/autoload/compat-30.el
index 1c6c8b691..ca901f984 100644
--- a/modules/tools/tree-sitter/autoload/compat-30.el
+++ b/modules/tools/tree-sitter/autoload/compat-30.el
@@ -7,12 +7,24 @@
 
 (autoload 'treesit-ready-p "treesit")
 
+;; In case of Emacs builds where treesit isn't built in (to avoid void-function
+;; errors and verbose, redundant checks everywhere).
 ;;;###autoload
 (unless (fboundp 'treesit-available-p)
   (defun treesit-available-p ()
     "Return non-nil if tree-sitter support is built-in and available."
     nil))
 
+;;;###autoload
+(unless (fboundp 'treesit-library-abi-version)
+  (defun treesit-library-abi-version (&optional _min-compatible)
+    0))
+
+;;;###autoload
+(unless (fboundp 'treesit-language-abi-version)
+  (defun treesit-language-abi-version (&optional _lang)
+    nil))
+
 ;;;###autoload
 (defcustom treesit-auto-install-grammar 'ask
   "Whether to install tree-sitter language grammar libraries when needed.