diff --git a/src/main/io/osd.c b/src/main/io/osd.c
index 67b38ae1af..52daa43f4a 100644
--- a/src/main/io/osd.c
+++ b/src/main/io/osd.c
@@ -459,7 +459,7 @@ void osdFormatVelocityStr(char* buff, int32_t vel, bool _3D, bool _max)
 /**
  * Returns the average velocity. This always uses stats, so can be called as an OSD element later if wanted, to show a real time average
  */
-void osdGenerateAverageVelocityStr(char* buff) {
+static void osdGenerateAverageVelocityStr(char* buff) {
     uint32_t cmPerSec = getTotalTravelDistance() / getFlightTime();
     osdFormatVelocityStr(buff, cmPerSec, false, false);
 }
diff --git a/src/main/io/osd.h b/src/main/io/osd.h
index de15c43c40..e46a3bc0bb 100644
--- a/src/main/io/osd.h
+++ b/src/main/io/osd.h
@@ -416,7 +416,6 @@ void osdCrosshairPosition(uint8_t *x, uint8_t *y);
 bool osdFormatCentiNumber(char *buff, int32_t centivalue, uint32_t scale, int maxDecimals, int maxScaledDecimals, int length);
 void osdFormatAltitudeSymbol(char *buff, int32_t alt);
 void osdFormatVelocityStr(char* buff, int32_t vel, bool _3D, bool _max);
-void osdGenerateAverageVelocityStr(char* buff);
 // Returns a heading angle in degrees normalized to [0, 360).
 int osdGetHeadingAngle(int angle);