diff --git a/vlib/strings/builder_js.v b/vlib/strings/builder_js.v
index b26ca5e4ec..384f27936e 100644
--- a/vlib/strings/builder_js.v
+++ b/vlib/strings/builder_js.v
@@ -39,5 +39,4 @@ pub fn (b mut Builder) cut(n int) {
 }
 
 pub fn (b mut Builder) free() {
-	free(b.buf.data)
 }