diff --git a/Grbl_Esp32/src/Config.h b/Grbl_Esp32/src/Config.h
index e9099d05..4a5b82fa 100644
--- a/Grbl_Esp32/src/Config.h
+++ b/Grbl_Esp32/src/Config.h
@@ -219,19 +219,6 @@ static const uint8_t NHomingLocateCycle = 1;  // Integer (1-128)
 // previous tool path, as if nothing happened.
 #define ENABLE_SAFETY_DOOR_INPUT_PIN  // ESP32 Leave this enabled for now .. code for undefined not ready
 
-// Inverts select limit pin states based on the following mask. This effects all limit pin functions,
-// such as hard limits and homing. However, this is different from overall invert limits setting.
-// This build option will invert only the limit pins defined here, and then the invert limits setting
-// will be applied to all of them. This is useful when a user has a mixed set of limit pins with both
-// normally-open(NO) and normally-closed(NC) switches installed on their machine.
-// NOTE: PLEASE DO NOT USE THIS, unless you have a situation that needs it.
-// #define INVERT_LIMIT_PIN_MASK (bit(X_AXIS)|bit(Y_AXIS)) // Default disabled. Uncomment to enable.
-
-// Inverts the selected coolant pin from low-disabled/high-enabled to low-enabled/high-disabled. Useful
-// for some pre-built electronic boards.
-// #define INVERT_COOLANT_FLOOD_PIN // Default disabled. Uncomment to enable.
-// #define INVERT_COOLANT_MIST_PIN // Default disabled. Note: Enable M7 mist coolant in config.h
-
 // When Grbl powers-cycles or is hard reset with the Arduino reset button, Grbl boots up with no ALARM
 // by default. This is to make it as simple as possible for new users to start using Grbl. When homing
 // is enabled and a user has installed limit switches, Grbl will boot up in an ALARM state to indicate
diff --git a/Grbl_Esp32/src/CoolantControl.cpp b/Grbl_Esp32/src/CoolantControl.cpp
index de7feb2a..e9a952cf 100644
--- a/Grbl_Esp32/src/CoolantControl.cpp
+++ b/Grbl_Esp32/src/CoolantControl.cpp
@@ -28,10 +28,12 @@ void CoolantControl::init() {
     static bool init_message = true;  // used to show messages only once.
 
     if (init_message) {
-        if (flood_.defined())
+        if (flood_.defined()) {
             grbl_msg_sendf(CLIENT_SERIAL, MsgLevel::Info, "Flood coolant on pin %s", flood_.name().c_str());
-        if (mist_.defined())
+        }
+        if (mist_.defined()) {
             grbl_msg_sendf(CLIENT_SERIAL, MsgLevel::Info, "Mist coolant on pin %s", mist_.name().c_str());
+        }
         init_message = false;
     }
 
@@ -48,9 +50,6 @@ CoolantState CoolantControl::get_state() {
 
     if (flood_.defined()) {
         auto pinState = flood_.read();
-#ifdef INVERT_COOLANT_FLOOD_PIN
-        pinState = !pinState;
-#endif
 
         if (pinState) {
             cl_state.Flood = 1;
@@ -59,9 +58,6 @@ CoolantState CoolantControl::get_state() {
 
     if (mist_.defined()) {
         auto pinState = mist_.read();
-#ifdef INVERT_COOLANT_MIST_PIN
-        pinState = !pinState;
-#endif
 
         if (pinState) {
             cl_state.Mist = 1;