diff --git a/radio/src/mixer.cpp b/radio/src/mixer.cpp
index d42e5b01d..d3285bd0c 100644
--- a/radio/src/mixer.cpp
+++ b/radio/src/mixer.cpp
@@ -323,7 +323,11 @@ getvalue_t getValue(mixsrc_t i)
 
 #if defined(PCBSKY9X)
   else if (i <= MIXSRC_LAST_ROTARY_ENCODER) {
+#if ROTARY_ENCODERS > 0
     return getRotaryEncoder(i - MIXSRC_REa);
+#else
+    return 0;
+#endif
   }
 #endif
 
diff --git a/radio/src/targets/horus/board.h b/radio/src/targets/horus/board.h
index 03fd11070..0382929eb 100644
--- a/radio/src/targets/horus/board.h
+++ b/radio/src/targets/horus/board.h
@@ -441,6 +441,8 @@ uint16_t getAnalogValue(uint8_t index);
 void sticksPwmInit(void);
 void sticksPwmRead(uint16_t * values);
 extern volatile uint32_t pwm_interrupt_count;
+#else
+#define STICKS_PWM_ENABLED()          (false)
 #endif
 
 // Battery driver
diff --git a/radio/src/targets/sky9x/board.h b/radio/src/targets/sky9x/board.h
index a37321b1a..8bf2563d1 100644
--- a/radio/src/targets/sky9x/board.h
+++ b/radio/src/targets/sky9x/board.h
@@ -336,6 +336,7 @@ enum CalibratedAnalogs {
 };
 #define IS_POT(x)                      ((x)>=POT_FIRST && (x)<=POT_LAST)
 #define IS_SLIDER(x)                   false
+#define STICKS_PWM_ENABLED()           false
 void adcInit();
 void adcRead(void);
 uint16_t getAnalogValue(uint8_t index);
diff --git a/radio/src/targets/taranis/board.h b/radio/src/targets/taranis/board.h
index b02ab879e..6bfa52df4 100644
--- a/radio/src/targets/taranis/board.h
+++ b/radio/src/targets/taranis/board.h
@@ -481,6 +481,7 @@ enum Analogs {
   #define NUM_TRIMS_KEYS                4
 #else
   #define NUM_TRIMS_KEYS                8
+  #define STICKS_PWM_ENABLED()          false
 #endif
 
 PACK(typedef struct {