diff --git a/simrupt.c b/simrupt.c
index 1269ef0..d377d24 100644
--- a/simrupt.c
+++ b/simrupt.c
@@ -8,10 +8,8 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/version.h>
-#include <linux/workqueue.h>
-#if defined(CONFIG_X86)
 #include <linux/vmalloc.h>
-#endif
+#include <linux/workqueue.h>
 
 MODULE_LICENSE("Dual MIT/GPL");
 MODULE_AUTHOR("National Cheng Kung University, Taiwan");