diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
index eb1f5d4c207ee0a115217a2f471108d58fb96dca..c1c776b348a9ea348317bdd7808ec9f540b444b3 100644
--- a/drivers/media/platform/atmel/atmel-isc-base.c
+++ b/drivers/media/platform/atmel/atmel-isc-base.c
@@ -35,11 +35,11 @@
 #include "atmel-isc-regs.h"
 #include "atmel-isc.h"
 
-unsigned int debug;
+static unsigned int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "debug level (0-2)");
 
-unsigned int sensor_preferred = 1;
+static unsigned int sensor_preferred = 1;
 module_param(sensor_preferred, uint, 0644);
 MODULE_PARM_DESC(sensor_preferred,
 		 "Sensor is preferred to output the specified format (1-on 0-off), default 1");
diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
index f5f5932ac1e28242414d1999c30b8a4bd4bf6e96..bfaed2fad2b5a6101f58e0c2b230f5eb5ce7f76b 100644
--- a/drivers/media/platform/atmel/atmel-isc.h
+++ b/drivers/media/platform/atmel/atmel-isc.h
@@ -230,10 +230,6 @@ struct isc_device {
 
 #define ATMEL_ISC_NAME "atmel-isc"
 
-/* module parameters */
-extern unsigned int debug;
-extern unsigned int sensor_preferred;
-
 extern struct isc_format formats_list[];
 extern const struct isc_format controller_formats[];
 extern const u32 isc_gamma_table[GAMMA_MAX + 1][GAMMA_ENTRIES];