diff --git a/Marlin/Marlin.h b/Marlin/Marlin.h
index f4e353a5d7..58c0618bc8 100644
--- a/Marlin/Marlin.h
+++ b/Marlin/Marlin.h
@@ -75,8 +75,8 @@ typedef unsigned long millis_t;
 #define SERIAL_PROTOCOL(x) MYSERIAL.print(x)
 #define SERIAL_PROTOCOL_F(x,y) MYSERIAL.print(x,y)
 #define SERIAL_PROTOCOLPGM(x) serialprintPGM(PSTR(x))
-#define SERIAL_PROTOCOLLN(x) do{ MYSERIAL.print(x),MYSERIAL.write('\n'); }while(0)
-#define SERIAL_PROTOCOLLNPGM(x) do{ serialprintPGM(PSTR(x)),MYSERIAL.write('\n'); }while(0)
+#define SERIAL_PROTOCOLLN(x) do{ MYSERIAL.print(x); SERIAL_EOL; }while(0)
+#define SERIAL_PROTOCOLLNPGM(x) do{ serialprintPGM(PSTR(x)); SERIAL_EOL; }while(0)
 
 
 extern const char errormagic[] PROGMEM;
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index eb33589d94..0732a1cfa6 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -3636,17 +3636,17 @@ inline void gcode_M109() {
 inline void gcode_M111() {
   marlin_debug_flags = code_seen('S') ? code_value_short() : DEBUG_INFO|DEBUG_COMMUNICATION;
   
-  SERIAL_ECHO_START;
-  if (marlin_debug_flags & DEBUG_ECHO) SERIAL_ECHOLNPGM(MSG_DEBUG_ECHO);
+  if (marlin_debug_flags & DEBUG_ECHO) {
+    SERIAL_ECHO_START;
+    SERIAL_ECHOLNPGM(MSG_DEBUG_ECHO);
+  }
   // FOR MOMENT NOT ACTIVE
   //if (marlin_debug_flags & DEBUG_INFO) SERIAL_ECHOLNPGM(MSG_DEBUG_INFO);
   //if (marlin_debug_flags & DEBUG_ERRORS) SERIAL_ECHOLNPGM(MSG_DEBUG_ERRORS);
   if (marlin_debug_flags & DEBUG_DRYRUN) {
+    SERIAL_ECHO_START;
     SERIAL_ECHOLNPGM(MSG_DEBUG_DRYRUN);
-    setTargetBed(0);
-    for (int8_t cur_hotend = 0; cur_hotend < EXTRUDERS; ++cur_hotend) {
-      setTargetHotend(0, cur_hotend);
-    }
+    disable_all_heaters();
   }
 }
 
diff --git a/Marlin/configurator/config/language.h b/Marlin/configurator/config/language.h
index f83a0d9a1e..2c3f9d240d 100644
--- a/Marlin/configurator/config/language.h
+++ b/Marlin/configurator/config/language.h
@@ -195,8 +195,6 @@
 #define MSG_KP                              " Kp: "
 #define MSG_KI                              " Ki: "
 #define MSG_KD                              " Kd: "
-#define MSG_OK_B                            "ok B:"
-#define MSG_OK_T                            "ok T:"
 #define MSG_AT                              " @:"
 #define MSG_PID_AUTOTUNE_FINISHED           MSG_PID_AUTOTUNE " finished! Put the last Kp, Ki and Kd constants from below into Configuration.h"
 #define MSG_PID_DEBUG                       " PID_DEBUG "