diff --git a/test/test-lib.el b/test/test-lib.el
index 236dd99e..709c3b36 100644
--- a/test/test-lib.el
+++ b/test/test-lib.el
@@ -22,6 +22,10 @@
 
 ;;; Code:
 
+(setq native-comp-jit-compilation nil)
+(setq native-comp-speed -1)
+(setq native-comp-async-jobs-number 1)
+
 (require 'cl-lib)
 
 ;; Ensure that the dynamic variables that are defined by this library