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-rw-r--r--drivers/sensors/pmw3389.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/sensors/pmw3389.c b/drivers/sensors/pmw3389.c
index cba94d6c65..c5781a5ffe 100644
--- a/drivers/sensors/pmw3389.c
+++ b/drivers/sensors/pmw3389.c
@@ -8,8 +8,6 @@
 #include "pmw33xx_common.h"
 #include "progmem.h"
 
-extern const size_t pmw33xx_number_of_sensors;
-
 uint16_t pmw33xx_get_cpi(uint8_t sensor) {
     if (sensor >= pmw33xx_number_of_sensors) {
         return 0;