diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c
index 5e838d3c419d58af5fa3fe91c614567db7fc1266..0700eb953495196bc9f46cecc2557611574f9a3d 100644
--- a/tools/lib/api/fs/fs.c
+++ b/tools/lib/api/fs/fs.c
@@ -18,6 +18,14 @@
 #define _STR(x) #x
 #define STR(x) _STR(x)
 
+#ifndef SYSFS_MAGIC
+#define SYSFS_MAGIC            0x62656572
+#endif
+
+#ifndef PROC_SUPER_MAGIC
+#define PROC_SUPER_MAGIC       0x9fa0
+#endif
+
 static const char * const sysfs__fs_known_mountpoints[] = {
 	"/sys",
 	0,
diff --git a/tools/lib/api/fs/fs.h b/tools/lib/api/fs/fs.h
index fd6288d733832c56de9c4ab52c51b0e8714a2987..674efc8dfd9b06e77bcb75b44973505f22e7c99a 100644
--- a/tools/lib/api/fs/fs.h
+++ b/tools/lib/api/fs/fs.h
@@ -9,14 +9,6 @@
 #define PATH_MAX 4096
 #endif
 
-#ifndef SYSFS_MAGIC
-#define SYSFS_MAGIC            0x62656572
-#endif
-
-#ifndef PROC_SUPER_MAGIC
-#define PROC_SUPER_MAGIC       0x9fa0
-#endif
-
 const char *sysfs__mountpoint(void);
 const char *procfs__mountpoint(void);