diff --git a/javascript/duktape/duk_custom.h b/javascript/duktape/duk_custom.h
index 77bfb1bd7..324f8149c 100644
--- a/javascript/duktape/duk_custom.h
+++ b/javascript/duktape/duk_custom.h
@@ -28,5 +28,4 @@
 #undef DUK_USE_DATE_PARSE_STRING
 #endif
 
-#define DUK_USE_DEEP_C_STACK
 #define DUK_OPT_REGEXP_CANON_WORKAROUND