diff --git a/interface_lib/include/device3.h b/interface_lib/include/device3.h
index 8c3a7c9..5ccbfbd 100644
--- a/interface_lib/include/device3.h
+++ b/interface_lib/include/device3.h
@@ -177,13 +177,13 @@ device3_euler_type device3_get_euler(device3_quat_type quat);
 
 device3_error_type device3_close(device3_type* device);
 
-static int32_t pack32bit_signed(const uint8_t* data);
-static int32_t pack24bit_signed(const uint8_t* data);
-static int16_t pack16bit_signed(const uint8_t* data);
-static int32_t pack32bit_signed_swap(const uint8_t* data);
+int32_t pack32bit_signed(const uint8_t* data);
+int32_t pack24bit_signed(const uint8_t* data);
+int16_t pack16bit_signed(const uint8_t* data);
+int32_t pack32bit_signed_swap(const uint8_t* data);
 
-static int16_t pack16bit_signed_swap(const uint8_t* data);
-static int16_t pack16bit_signed_bizarre(const uint8_t* data);
+int16_t pack16bit_signed_swap(const uint8_t* data);
+int16_t pack16bit_signed_bizarre(const uint8_t* data);
 
 
 #ifdef __cplusplus
diff --git a/interface_lib/src/device3.c b/interface_lib/src/device3.c
index 0c8053c..fa6c31c 100644
--- a/interface_lib/src/device3.c
+++ b/interface_lib/src/device3.c
@@ -453,33 +453,33 @@ static void device3_callback(device3_type* device,
 	device->callback(timestamp, event, device->ahrs);
 }
 
-static int32_t pack32bit_signed(const uint8_t* data) {
+int32_t pack32bit_signed(const uint8_t* data) {
 	uint32_t unsigned_value = (data[0]) | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
 	return ((int32_t) unsigned_value);
 }
 
-static int32_t pack24bit_signed(const uint8_t* data) {
+int32_t pack24bit_signed(const uint8_t* data) {
 	uint32_t unsigned_value = (data[0]) | (data[1] << 8) | (data[2] << 16);
 	if ((data[2] & 0x80) != 0) unsigned_value |= (0xFF << 24);
 	return ((int32_t) unsigned_value);
 }
 
-static int16_t pack16bit_signed(const uint8_t* data) {
+int16_t pack16bit_signed(const uint8_t* data) {
 	uint16_t unsigned_value = (data[1] << 8) | (data[0]);
 	return (int16_t) unsigned_value;
 }
 
-static int32_t pack32bit_signed_swap(const uint8_t* data) {
+int32_t pack32bit_signed_swap(const uint8_t* data) {
 	uint32_t unsigned_value = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | (data[3]);
 	return ((int32_t) unsigned_value);
 }
 
-static int16_t pack16bit_signed_swap(const uint8_t* data) {
+int16_t pack16bit_signed_swap(const uint8_t* data) {
 	uint16_t unsigned_value = (data[0] << 8) | (data[1]);
 	return (int16_t) unsigned_value;
 }
 
-static int16_t pack16bit_signed_bizarre(const uint8_t* data) {
+int16_t pack16bit_signed_bizarre(const uint8_t* data) {
 	uint16_t unsigned_value = (data[0]) | ((data[1] ^ 0x80) << 8);
 	return (int16_t) unsigned_value;
 }