--- a/libpciaccess-0.13.2/src/linux_sysfs.c
+++ b/libpciaccess-0.13.2/src/linux_sysfs.c
@@ -45,7 +45,7 @@
 #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