diff --git a/Marlin/src/libs/nozzle.cpp b/Marlin/src/libs/nozzle.cpp
index 93ed937d66002f9a4184fe51e35247879179543f..9d62cf39124007246c9b81a5c9de7c68e064710a 100644
--- a/Marlin/src/libs/nozzle.cpp
+++ b/Marlin/src/libs/nozzle.cpp
@@ -162,7 +162,7 @@
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
 
-  void Nozzle::park(const uint8_t &z_action, const point_t &park /*= NOZZLE_PARK_POINT*/) {
+  void Nozzle::park(const uint8_t z_action, const point_t &park /*= NOZZLE_PARK_POINT*/) {
     const float fr_xy = NOZZLE_PARK_XY_FEEDRATE;
     const float fr_z = NOZZLE_PARK_Z_FEEDRATE;
 
diff --git a/Marlin/src/libs/nozzle.h b/Marlin/src/libs/nozzle.h
index 4629d7b94836648a20c9417fdce6944c95f830da..3adf6f3ac81a2a62490ff595b76c455d40b91197 100644
--- a/Marlin/src/libs/nozzle.h
+++ b/Marlin/src/libs/nozzle.h
@@ -86,7 +86,7 @@ class Nozzle {
 
   #if ENABLED(NOZZLE_PARK_FEATURE)
 
-    static void park(const uint8_t &z_action, const point_t &park = NOZZLE_PARK_POINT) _Os;
+    static void park(const uint8_t z_action, const point_t &park=NOZZLE_PARK_POINT) _Os;
 
   #endif
 };