diff --git a/src/main/fc/fc_msp.c b/src/main/fc/fc_msp.c
index c1360fcce6..872c8f51d3 100644
--- a/src/main/fc/fc_msp.c
+++ b/src/main/fc/fc_msp.c
@@ -140,18 +140,6 @@ static const char * const boardIdentifier = TARGET_BOARD_IDENTIFIER;
 // from mixer.c
 extern int16_t motor_disarmed[MAX_SUPPORTED_MOTORS];
 
-static const char pidnames[] =
-    "ROLL;"
-    "PITCH;"
-    "YAW;"
-    "ALT;"
-    "Pos;"
-    "PosR;"
-    "NavR;"
-    "LEVEL;"
-    "MAG;"
-    "VEL;";
-
 typedef enum {
     MSP_SDCARD_STATE_NOT_PRESENT = 0,
     MSP_SDCARD_STATE_FATAL       = 1,
@@ -708,12 +696,6 @@ static bool mspFcProcessOutCommand(uint16_t cmdMSP, sbuf_t *dst, mspPostProcessF
         #endif
         break;
 
-    case MSP_PIDNAMES:
-        for (const char *c = pidnames; *c; c++) {
-            sbufWriteU8(dst, *c);
-        }
-        break;
-
     case MSP_MODE_RANGES:
         for (int i = 0; i < MAX_MODE_ACTIVATION_CONDITION_COUNT; i++) {
             const modeActivationCondition_t *mac = modeActivationConditions(i);
diff --git a/src/main/msp/msp_protocol.h b/src/main/msp/msp_protocol.h
index ea7902fccb..1eddc81c1c 100644
--- a/src/main/msp/msp_protocol.h
+++ b/src/main/msp/msp_protocol.h
@@ -241,7 +241,6 @@
 #define MSP_MISC                 114    //out message         powermeter trig
 #define MSP_MOTOR_PINS           115    //out message         which pins are in use for motors & servos, for GUI
 #define MSP_BOXNAMES             116    //out message         the aux switch names
-#define MSP_PIDNAMES             117    //out message         the PID names
 #define MSP_WP                   118    //out message         get a WP, WP# is in the payload, returns (WP#, lat, lon, alt, flags) WP#0-home, WP#16-poshold
 #define MSP_BOXIDS               119    //out message         get the permanent IDs associated to BOXes
 #define MSP_NAV_STATUS           121    //out message         Returns navigation status