diff --git a/src/linux_sysfs.c b/src/linux_sysfs.c
index e74ad72c985950d9881795849765a05e8e40099f..d02264412f050ef8a0750766326df580ffaa921c 100644
--- a/src/linux_sysfs.c
+++ b/src/linux_sysfs.c
@@ -50,7 +50,7 @@
 #include <dirent.h>
 #include <errno.h>
 
-#if defined(__i386__) || defined(__x86_64__) || defined(__arm__)
+#if defined(__i386__) || defined(__x86_64__)
 #include <sys/io.h>
 #else
 #define inb(x) -1