diff --git a/Marlin/src/gcode/control/M7-M9.cpp b/Marlin/src/gcode/control/M7-M9.cpp
index ae112fc372..ccde4f552c 100644
--- a/Marlin/src/gcode/control/M7-M9.cpp
+++ b/Marlin/src/gcode/control/M7-M9.cpp
@@ -20,9 +20,9 @@
  *
  */
 
-#include "../../inc/MarlinConfig.h"
+#include "../../inc/MarlinConfigPre.h"
 
-#if ENABLED(COOLANT_CONTROL)
+#if ANY(COOLANT_MIST, COOLANT_FLOOD, AIR_ASSIST)
 
 #include "../gcode.h"
 #include "../../module/planner.h"
@@ -37,51 +37,41 @@
   }
 #endif
 
-#if ENABLED(COOLANT_FLOOD)
+#if EITHER(COOLANT_FLOOD, AIR_ASSIST)
+
+  #if ENABLED(AIR_ASSIST)
+    #include "../../feature/spindle_laser.h"
+  #endif
+
   /**
-   * M8: Flood Coolant On
+   * M8: Flood Coolant / Air Assist ON
    */
   void GcodeSuite::M8() {
-    planner.synchronize();                              // Wait for move to arrive
-    WRITE(COOLANT_FLOOD_PIN, !(COOLANT_FLOOD_INVERT));  // Turn on Flood coolant
+    planner.synchronize();                            // Wait for move to arrive
+    #if ENABLED(COOLANT_FLOOD)
+      WRITE(COOLANT_FLOOD_PIN, !(COOLANT_FLOOD_INVERT)); // Turn on Flood coolant
+    #endif
+    #if ENABLED(AIR_ASSIST)
+      cutter.air_assist_enable();                     // Turn on Air Assist
+    #endif
   }
+
 #endif
 
 /**
- * M9: Coolant OFF
+ * M9: Coolant / Air Assist OFF
  */
 void GcodeSuite::M9() {
-  planner.synchronize();                            // Wait for move to arrive
+  planner.synchronize();                              // Wait for move to arrive
   #if ENABLED(COOLANT_MIST)
-    WRITE(COOLANT_MIST_PIN, COOLANT_MIST_INVERT);   // Turn off Mist coolant
+    WRITE(COOLANT_MIST_PIN, COOLANT_MIST_INVERT);     // Turn off Mist coolant
   #endif
   #if ENABLED(COOLANT_FLOOD)
-    WRITE(COOLANT_FLOOD_PIN, COOLANT_FLOOD_INVERT); // Turn off Flood coolant
+    WRITE(COOLANT_FLOOD_PIN, COOLANT_FLOOD_INVERT);   // Turn off Flood coolant
+  #endif
+  #if ENABLED(AIR_ASSIST)
+    cutter.air_assist_disable();                      // Turn off Air Assist
   #endif
 }
 
-#endif // COOLANT_CONTROL
-
-#if ENABLED(AIR_ASSIST)
-
-#include "../gcode.h"
-#include "../../module/planner.h"
-#include "../../feature/spindle_laser.h"
-
-/**
- * M8: Air Assist On
- */
-void GcodeSuite::M8() {
-  planner.synchronize();
-  cutter.air_assist_enable();   // Turn on Air Assist pin
-}
-
-/**
- * M9: Air Assist Off
- */
-void GcodeSuite::M9() {
-  planner.synchronize();
-  cutter.air_assist_disable();  // Turn off Air Assist pin
-}
-
-#endif // AIR_ASSIST
+#endif // COOLANT_MIST | COOLANT_FLOOD | AIR_ASSIST
diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index eb650851f8..ac3b5010b9 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -441,20 +441,23 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
         case 3: M3_M4(false); break;                              // M3: Turn ON Laser | Spindle (clockwise), set Power | Speed
         case 4: M3_M4(true ); break;                              // M4: Turn ON Laser | Spindle (counter-clockwise), set Power | Speed
         case 5: M5(); break;                                      // M5: Turn OFF Laser | Spindle
-        #if ENABLED(AIR_EVACUATION)
-          case 10: M10(); break;                                  // M10: Vacuum or Blower motor ON
-          case 11: M11(); break;                                  // M11: Vacuum or Blower motor OFF
-        #endif
       #endif
 
-      #if ENABLED(COOLANT_CONTROL)
-        #if ENABLED(COOLANT_MIST)
-          case 7: M7(); break;                                    // M7: Mist coolant ON
-        #endif
-        #if ENABLED(COOLANT_FLOOD)
-          case 8: M8(); break;                                    // M8: Flood coolant ON
-        #endif
-        case 9: M9(); break;                                      // M9: Coolant OFF
+      #if ENABLED(COOLANT_MIST)
+        case 7: M7(); break;                                      // M7: Coolant Mist ON
+      #endif
+
+      #if EITHER(AIR_ASSIST, COOLANT_FLOOD)
+        case 8: M8(); break;                                      // M8: Air Assist / Coolant Flood ON
+      #endif
+
+      #if EITHER(AIR_ASSIST, COOLANT_CONTROL)
+        case 9: M9(); break;                                      // M9: Air Assist / Coolant OFF
+      #endif
+
+      #if ENABLED(AIR_EVACUATION)
+        case 10: M10(); break;                                    // M10: Vacuum or Blower motor ON
+        case 11: M11(); break;                                    // M11: Vacuum or Blower motor OFF
       #endif
 
       #if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
diff --git a/Marlin/src/gcode/gcode.h b/Marlin/src/gcode/gcode.h
index 89605ee25b..752a3da9dc 100644
--- a/Marlin/src/gcode/gcode.h
+++ b/Marlin/src/gcode/gcode.h
@@ -564,22 +564,25 @@ private:
   #if HAS_CUTTER
     static void M3_M4(const bool is_M4);
     static void M5();
-    #if ENABLED(AIR_EVACUATION)
-      static void M10();
-      static void M11();
-    #endif
   #endif
 
-  #if ENABLED(COOLANT_CONTROL)
-    #if ENABLED(COOLANT_MIST)
-      static void M7();
-    #endif
-    #if ENABLED(COOLANT_FLOOD)
-      static void M8();
-    #endif
+  #if ENABLED(COOLANT_MIST)
+    static void M7();
+  #endif
+
+  #if EITHER(AIR_ASSIST, COOLANT_FLOOD)
+    static void M8();
+  #endif
+
+  #if EITHER(AIR_ASSIST, COOLANT_CONTROL)
     static void M9();
   #endif
 
+  #if ENABLED(AIR_EVACUATION)
+    static void M10();
+    static void M11();
+  #endif
+
   #if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
     static void M12();
   #endif
diff --git a/ini/features.ini b/ini/features.ini
index 15f6c2a138..a1e9688447 100644
--- a/ini/features.ini
+++ b/ini/features.ini
@@ -166,7 +166,7 @@ HAS_USER_THERMISTORS                   = src_filter=+<src/gcode/config/M305.cpp>
 SD_ABORT_ON_ENDSTOP_HIT                = src_filter=+<src/gcode/config/M540.cpp>
 BAUD_RATE_GCODE                        = src_filter=+<src/gcode/config/M575.cpp>
 HAS_SMART_EFF_MOD                      = src_filter=+<src/gcode/config/M672.cpp>
-COOLANT_CONTROL                        = src_filter=+<src/gcode/control/M7-M9.cpp>
+COOLANT_CONTROL|AIR_ASSIST             = src_filter=+<src/gcode/control/M7-M9.cpp>
 AIR_EVACUATION                         = src_filter=+<src/gcode/control/M10-M11.cpp>
 HAS_SOFTWARE_ENDSTOPS                  = src_filter=+<src/gcode/control/M211.cpp>
 HAS_DUPLICATION_MODE                   = src_filter=+<src/gcode/control/M605.cpp>