diff --git a/variants/meshtracker_x1/MeshTrackerX1Board.cpp b/variants/meshtracker_x1/MeshTrackerX1Board.cpp
index 56e537a23..94c20a63c 100644
--- a/variants/meshtracker_x1/MeshTrackerX1Board.cpp
+++ b/variants/meshtracker_x1/MeshTrackerX1Board.cpp
@@ -5,7 +5,6 @@
 
 void MeshTrackerX1Board::begin() {
   NRF52BoardDCDC::begin();
-  btn_prev_state = LOW;   // button is active HIGH
 
 #ifdef BUTTON_PIN
   pinMode(BATTERY_PIN, INPUT);
diff --git a/variants/meshtracker_x1/MeshTrackerX1Board.h b/variants/meshtracker_x1/MeshTrackerX1Board.h
index 51f022e0b..d332244f5 100644
--- a/variants/meshtracker_x1/MeshTrackerX1Board.h
+++ b/variants/meshtracker_x1/MeshTrackerX1Board.h
@@ -5,9 +5,6 @@
 #include <helpers/NRF52Board.h>
 
 class MeshTrackerX1Board : public NRF52BoardDCDC {
-protected:
-  uint8_t btn_prev_state;
-
 public:
   MeshTrackerX1Board() : NRF52Board("X1_OTA") {}
   void begin();
@@ -35,17 +32,6 @@ public:
     return "Seeed SenseCAP MeshTracker X1";
   }
 
-  int buttonStateChanged() {
-  #ifdef BUTTON_PIN
-    uint8_t v = digitalRead(BUTTON_PIN);
-    if (v != btn_prev_state) {
-      btn_prev_state = v;
-      return (v == USER_BTN_PRESSED) ? 1 : -1;
-    }
-  #endif
-    return 0;
-  }
-
   void powerOff() override {
     #ifdef HAS_GPS
         digitalWrite(GPS_VRTC_EN, LOW);
diff --git a/variants/promicro/PromicroBoard.cpp b/variants/promicro/PromicroBoard.cpp
index 7011521b8..aba808786 100644
--- a/variants/promicro/PromicroBoard.cpp
+++ b/variants/promicro/PromicroBoard.cpp
@@ -5,7 +5,6 @@
 
 void PromicroBoard::begin() {    
     NRF52Board::begin();
-    btn_prev_state = HIGH;
   
     pinMode(PIN_VBAT_READ, INPUT);
 
diff --git a/variants/promicro/PromicroBoard.h b/variants/promicro/PromicroBoard.h
index ee16c9654..605b03652 100644
--- a/variants/promicro/PromicroBoard.h
+++ b/variants/promicro/PromicroBoard.h
@@ -9,7 +9,6 @@
 
 class PromicroBoard : public NRF52BoardDCDC {
 protected:
-  uint8_t btn_prev_state;
   float adc_mult = ADC_MULTIPLIER;
 
 public:
@@ -48,15 +47,4 @@ public:
   const char* getManufacturerName() const override {
     return "ProMicro DIY";
   }
-
-  int buttonStateChanged() {
-    #ifdef BUTTON_PIN
-      uint8_t v = digitalRead(BUTTON_PIN);
-      if (v != btn_prev_state) {
-        btn_prev_state = v;
-        return (v == LOW) ? 1 : -1;
-      }
-    #endif
-      return 0;
-  }
 };
diff --git a/variants/t1000-e/T1000eBoard.cpp b/variants/t1000-e/T1000eBoard.cpp
index 0d390f798..1d3ce423c 100644
--- a/variants/t1000-e/T1000eBoard.cpp
+++ b/variants/t1000-e/T1000eBoard.cpp
@@ -5,7 +5,6 @@
 
 void T1000eBoard::begin() {
   NRF52BoardDCDC::begin();
-  btn_prev_state = HIGH;
 
 #ifdef BUTTON_PIN
   pinMode(BATTERY_PIN, INPUT);
diff --git a/variants/t1000-e/T1000eBoard.h b/variants/t1000-e/T1000eBoard.h
index ba8bf0c1d..653bea617 100644
--- a/variants/t1000-e/T1000eBoard.h
+++ b/variants/t1000-e/T1000eBoard.h
@@ -5,9 +5,6 @@
 #include <helpers/NRF52Board.h>
 
 class T1000eBoard : public NRF52BoardDCDC {
-protected:
-  uint8_t btn_prev_state;
-
 public:
   T1000eBoard() : NRF52Board("T1000E_OTA") {}
   void begin();
@@ -38,17 +35,6 @@ public:
     return "Seeed Tracker T1000-E";
   }
 
-  int buttonStateChanged() {
-  #ifdef BUTTON_PIN
-    uint8_t v = digitalRead(BUTTON_PIN);
-    if (v != btn_prev_state) {
-      btn_prev_state = v;
-      return (v == USER_BTN_PRESSED) ? 1 : -1;
-    }
-  #endif
-    return 0;
-  }
-
   void powerOff() override {
     #ifdef HAS_GPS
         digitalWrite(GPS_VRTC_EN, LOW);
diff --git a/variants/thinknode_m3/ThinkNodeM3Board.cpp b/variants/thinknode_m3/ThinkNodeM3Board.cpp
index ac513ade5..518d15bda 100644
--- a/variants/thinknode_m3/ThinkNodeM3Board.cpp
+++ b/variants/thinknode_m3/ThinkNodeM3Board.cpp
@@ -6,7 +6,6 @@
 
 void ThinkNodeM3Board::begin() {
   NRF52Board::begin();
-  btn_prev_state = HIGH;
 
   Wire.begin();
 
diff --git a/variants/thinknode_m3/ThinkNodeM3Board.h b/variants/thinknode_m3/ThinkNodeM3Board.h
index 9e8f49894..bbd69d264 100644
--- a/variants/thinknode_m3/ThinkNodeM3Board.h
+++ b/variants/thinknode_m3/ThinkNodeM3Board.h
@@ -11,7 +11,6 @@ protected:
 #if NRF52_POWER_MANAGEMENT
   void initiateShutdown(uint8_t reason) override;
 #endif
-  uint8_t btn_prev_state;
 
 public:
   ThinkNodeM3Board() : NRF52Board("THINKNODE_M3_OTA") {}
@@ -31,17 +30,6 @@ public:
     return "Elecrow ThinkNode M3";
   }
 
-  int buttonStateChanged() {
-  #ifdef BUTTON_PIN
-    uint8_t v = digitalRead(BUTTON_PIN);
-    if (v != btn_prev_state) {
-      btn_prev_state = v;
-      return (v == LOW) ? 1 : -1;
-    }
-  #endif
-    return 0;
-  }
-
   void powerOff() override {
     // turn off all leds, sd_power_system_off will not do this for us
     digitalWrite(PIN_LED_BLUE, !LED_STATE_ON);
diff --git a/variants/thinknode_m4/ThinkNodeM4Board.cpp b/variants/thinknode_m4/ThinkNodeM4Board.cpp
index 4a144a3a4..281983ae3 100644
--- a/variants/thinknode_m4/ThinkNodeM4Board.cpp
+++ b/variants/thinknode_m4/ThinkNodeM4Board.cpp
@@ -6,7 +6,6 @@
 
 void ThinkNodeM4Board::begin() {
   NRF52Board::begin();
-  btn_prev_state = HIGH;
 
   Wire.begin();
   battery_serial->begin(4800);
diff --git a/variants/thinknode_m4/ThinkNodeM4Board.h b/variants/thinknode_m4/ThinkNodeM4Board.h
index c2cae54b6..63de1ff27 100644
--- a/variants/thinknode_m4/ThinkNodeM4Board.h
+++ b/variants/thinknode_m4/ThinkNodeM4Board.h
@@ -9,7 +9,6 @@ protected:
 #if NRF52_POWER_MANAGEMENT
   void initiateShutdown(uint8_t reason) override;
 #endif
-  uint8_t btn_prev_state;
   HardwareSerial * battery_serial;
   uint16_t bat_level_mv = 0;
   uint8_t bat_level_percent =0;
@@ -32,17 +31,6 @@ public:
     return "Elecrow ThinkNode M4";
   }
 
-  int buttonStateChanged() {
-  #ifdef BUTTON_PIN
-    uint8_t v = digitalRead(BUTTON_PIN);
-    if (v != btn_prev_state) {
-      btn_prev_state = v;
-      return (v == USER_BTN_PRESSED) ? 1 : -1;
-    }
-  #endif
-    return 0;
-  }
-
   void shutdownPeripherals() override {
     // shutdown common peripherals
     NRF52Board::shutdownPeripherals();