diff --git a/flight/pios/common/pios_rfm22b.c b/flight/pios/common/pios_rfm22b.c
index b938798f4..30be8fbd5 100644
--- a/flight/pios/common/pios_rfm22b.c
+++ b/flight/pios/common/pios_rfm22b.c
@@ -790,6 +790,16 @@ bool PIOS_RFM22B_LinkStatus(uint32_t rfm22b_id)
     return (rfm22_isConnected(rfm22b_dev) && (rfm22b_dev->stats.link_quality > RFM22B_LINK_QUALITY_THRESHOLD));
 }
 
+/**
+ * Validate that the device structure is valid.
+ *
+ * @param[in] rfm22b_dev  The RFM22B device structure pointer.
+ */
+inline bool PIOS_RFM22B_Validate(struct pios_rfm22b_dev *rfm22b_dev)
+{
+    return (rfm22b_dev != NULL && rfm22b_dev->magic == PIOS_RFM22B_DEV_MAGIC);
+}
+
 
 /*****************************************************************************
  * The Device Control Thread
diff --git a/flight/pios/inc/pios_rfm22b_priv.h b/flight/pios/inc/pios_rfm22b_priv.h
index 9b64d97ca..584c354d5 100644
--- a/flight/pios/inc/pios_rfm22b_priv.h
+++ b/flight/pios/inc/pios_rfm22b_priv.h
@@ -758,17 +758,7 @@ struct pios_rfm22b_dev {
 // External function definitions
 
 bool PIOS_RFM22_EXT_Int(void);
-void PIOS_RFM22B_InjectEvent(struct pios_rfm22b_dev *rfm22b_dev, enum pios_rfm22b_event event, bool inISR);
-
-/**
- * Validate that the device structure is valid.
- *
- * @param[in] rfm22b_dev  The RFM22B device structure pointer.
- */
-inline bool PIOS_RFM22B_Validate(struct pios_rfm22b_dev *rfm22b_dev)
-{
-    return (rfm22b_dev != NULL && rfm22b_dev->magic == PIOS_RFM22B_DEV_MAGIC);
-}
+bool PIOS_RFM22B_Validate(struct pios_rfm22b_dev *rfm22b_dev);
 
 // Global variable definitions