diff --git a/src/test/Makefile b/src/test/Makefile
index 346811727b..17b4828b17 100644
--- a/src/test/Makefile
+++ b/src/test/Makefile
@@ -210,7 +210,6 @@ scheduler_unittest_SRC := \
 sensor_gyro_unittest_SRC := \
 		$(USER_DIR)/sensors/gyro.c \
 		$(USER_DIR)/sensors/boardalignment.c \
-		$(USER_DIR)/build/debug.c \
 		$(USER_DIR)/common/filter.c \
 		$(USER_DIR)/common/maths.c \
 		$(USER_DIR)/drivers/accgyro/accgyro_fake.c \
diff --git a/src/test/unit/sensor_gyro_unittest.cc b/src/test/unit/sensor_gyro_unittest.cc
index 86e6e5ac2b..ff422b7eec 100644
--- a/src/test/unit/sensor_gyro_unittest.cc
+++ b/src/test/unit/sensor_gyro_unittest.cc
@@ -44,6 +44,9 @@ extern "C" {
     struct gyroSensor_s;
     STATIC_UNIT_TESTED void performGyroCalibration(struct gyroSensor_s *gyroSensor, uint8_t gyroMovementCalibrationThreshold);
     STATIC_UNIT_TESTED bool fakeGyroRead(gyroDev_t *gyro);
+
+    uint8_t debugMode;
+    int16_t debug[DEBUG16_VALUE_COUNT];
 }
 
 #include "unittest_macros.h"