diff --git a/tools/lib/atrf.c b/tools/lib/atrf.c
index a9b8f33..5a9ebca 100644
--- a/tools/lib/atrf.c
+++ b/tools/lib/atrf.c
@@ -21,10 +21,6 @@
 #include "atrf.h"
 
 
-extern struct atrf_driver atusb_driver;
-extern struct atrf_driver atben_driver;
-
-
 struct atrf_dsc {
 	const struct atrf_driver *driver;
 	void *handle;
diff --git a/tools/lib/driver.h b/tools/lib/driver.h
index bc88f3c..f562f0d 100644
--- a/tools/lib/driver.h
+++ b/tools/lib/driver.h
@@ -36,6 +36,10 @@ struct atrf_driver {
 };
 
 
+extern struct atrf_driver atusb_driver;
+extern struct atrf_driver atben_driver;
+
+
 int atrf_set_clkm_generic(
     void (*reg_write)(void *dsc, uint8_t reg, uint8_t value),
     void *handle, int mhz);