diff --git a/lib/include/tree_sitter/api.h b/lib/include/tree_sitter/api.h
index f1192e34..c7de7662 100644
--- a/lib/include/tree_sitter/api.h
+++ b/lib/include/tree_sitter/api.h
@@ -145,12 +145,6 @@ typedef struct {
 /* Section - Parser */
 /********************/
 
-
-/**
- * The allocator.
- */
-extern TSAllocator *ts_allocator;
-
 /**
  * Switch to a new allocator.
  *