diff --git a/sonoff/my_user_config.h b/sonoff/my_user_config.h
index d497605d4..c1845b540 100644
--- a/sonoff/my_user_config.h
+++ b/sonoff/my_user_config.h
@@ -308,6 +308,7 @@
 //  #define SUPPORT_MQTT_EVENT                     // Support trigger event with MQTT subscriptions (+3k5 code)
 
 // -- Optional modules ----------------------------
+#define USE_SONOFF_SC                            // Add support for Sonoff Sc (+1k1 code)
 #define USE_BUZZER                               // Add support for a buzzer (+0k6 code)
 #define USE_SONOFF_IFAN                          // Add support for Sonoff iFan02 and iFan03 (+2k code)
 #define USE_TUYA_MCU                             // Add support for Tuya Serial MCU
diff --git a/sonoff/sonoff.ino b/sonoff/sonoff.ino
index 26030c107..f3bd8bed0 100755
--- a/sonoff/sonoff.ino
+++ b/sonoff/sonoff.ino
@@ -1211,6 +1211,7 @@ void SerialInput(void)
       }
     }
 
+#ifdef USE_SONOFF_SC
 /*-------------------------------------------------------------------------------------------*\
  * Sonoff SC 19200 baud serial interface
 \*-------------------------------------------------------------------------------------------*/
@@ -1222,11 +1223,11 @@ void SerialInput(void)
         Serial.flush();
         return;
       }
-    }
-
+    } else
+#endif  // USE_SONOFF_SC
 /*-------------------------------------------------------------------------------------------*/
 
-    else if (!Settings.flag.mqtt_serial && (serial_in_byte == '\n')) {
+    if (!Settings.flag.mqtt_serial && (serial_in_byte == '\n')) {
       serial_in_buffer[serial_in_byte_counter] = 0;                              // Serial data completed
       seriallog_level = (Settings.seriallog_level < LOG_LEVEL_INFO) ? (uint8_t)LOG_LEVEL_INFO : Settings.seriallog_level;
       AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_COMMAND "%s"), serial_in_buffer);
@@ -1400,11 +1401,13 @@ void GpioInit(void)
     devices_present = 4;
     baudrate = 19200;
   }
+#ifdef USE_SONOFF_SC
   else if (SONOFF_SC == my_module_type) {
     Settings.flag.mqtt_serial = 0;
     devices_present = 0;
     baudrate = 19200;
   }
+#endif  // USE_SONOFF_SC
 
   if (!light_type) {
     for (uint32_t i = 0; i < MAX_PWMS; i++) {     // Basic PWM control only
diff --git a/sonoff/sonoff_template.h b/sonoff/sonoff_template.h
index 92ae9fd19..27532404f 100644
--- a/sonoff/sonoff_template.h
+++ b/sonoff/sonoff_template.h
@@ -768,7 +768,9 @@ const uint8_t kModuleNiceList[] PROGMEM = {
 #endif
   SONOFF_B1,           // Sonoff Light Bulbs
   SLAMPHER,
+#ifdef USE_SONOFF_SC
   SONOFF_SC,           // Sonoff Environmemtal Sensor
+#endif
 #ifdef USE_SONOFF_IFAN
   SONOFF_IFAN02,       // Sonoff Fan
   SONOFF_IFAN03,
diff --git a/sonoff/support_features.ino b/sonoff/support_features.ino
index c3cba6874..3e92d7a93 100644
--- a/sonoff/support_features.ino
+++ b/sonoff/support_features.ino
@@ -465,8 +465,9 @@ void GetFeatures(void)
 #ifdef USE_DEEPSLEEP
   feature5 |= 0x00000800;  // Xdrv_029_deepsleep.ino
 #endif
-
-//  feature5 |= 0x00001000;
+#ifdef USE_SONOFF_SC
+  feature5 |= 0x00001000;
+#endif
 //  feature5 |= 0x00002000;
 //  feature5 |= 0x00004000;
 //  feature5 |= 0x00008000;
diff --git a/sonoff/xsns_04_snfsc.ino b/sonoff/xsns_04_snfsc.ino
index 6d974e9f4..98e842c76 100644
--- a/sonoff/xsns_04_snfsc.ino
+++ b/sonoff/xsns_04_snfsc.ino
@@ -17,6 +17,7 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifdef USE_SONOFF_SC
 /*********************************************************************************************\
   Sonoff Sc
 
@@ -173,3 +174,5 @@ bool Xsns04(uint8_t function)
   }
   return result;
 }
+
+#endif  // USE_SONOFF_SC
diff --git a/tools/decode-status.py b/tools/decode-status.py
index f5fd3a2cf..0e7c75204 100755
--- a/tools/decode-status.py
+++ b/tools/decode-status.py
@@ -172,7 +172,7 @@ a_features = [[
     "USE_BUZZER","USE_RDM6300","USE_IBEACON","USE_SML_M",
     "USE_INA226","USE_A4988_Stepper","USE_DDS2382","USE_SM2135",
     "USE_SHUTTER","USE_PCF8574","USE_DDSU666","USE_DEEPSLEEP",
-    "","","","",
+    "USE_SONOFF_SC","","","",
     "","","","",
     "","","","",
     "","","","",