diff --git a/darwin_controller/src/sim/stm32_dyn_master.c b/darwin_controller/src/sim/stm32_dyn_master.c
index bdbe516177c01a03bec5a0496ef6d84402264248..1364dbe89a24d4499416d8d7e211522c1d80ba0e 100644
--- a/darwin_controller/src/sim/stm32_dyn_master.c
+++ b/darwin_controller/src/sim/stm32_dyn_master.c
@@ -15,12 +15,12 @@ void dyn_master_set_rx_timeout(TDynamixelMaster *master,unsigned short int timeo
   master->rx_timeout_ms=timeout_ms;
 }
 
-inline void dyn_master_set_return_level(TDynamixelMaster *master,return_level_t level)
+void dyn_master_set_return_level(TDynamixelMaster *master,TReturnLevel level)
 {
   master->return_level=level;
 }
 
-inline return_level_t dyn_master_get_return_level(TDynamixelMaster *master)
+TReturnLevel dyn_master_get_return_level(TDynamixelMaster *master)
 {
   return master->return_level;
 }
diff --git a/darwin_controller/src/sim/stm32_dyn_master_servos.c b/darwin_controller/src/sim/stm32_dyn_master_servos.c
index c71ec1e72e951d547983d8ac8b28443683c05702..fe9c25d983c2b6fb018d3abe958dd316fcf4b074 100644
--- a/darwin_controller/src/sim/stm32_dyn_master_servos.c
+++ b/darwin_controller/src/sim/stm32_dyn_master_servos.c
@@ -8,12 +8,12 @@ void darwin_dyn_master_init(void)
   darwin_dyn_master.version=DYN_VER1;
 }
 
-inline void darwin_dyn_master_enable_power(void)
+void darwin_dyn_master_enable_power(void)
 {
   /* do nothing */
 }
 
-inline void darwin_dyn_master_disable_power(void)
+void darwin_dyn_master_disable_power(void)
 {
   /* do nothing */
 }