diff --git a/src/internal/NeoEsp8266UartMethod.cpp b/src/internal/NeoEsp8266UartMethod.cpp
index 66324b9..1b3bbcc 100644
--- a/src/internal/NeoEsp8266UartMethod.cpp
+++ b/src/internal/NeoEsp8266UartMethod.cpp
@@ -139,7 +139,9 @@ void NeoEsp8266UartInterruptContext::Detach(uint8_t uartNum)
     ETS_UART_INTR_ENABLE();
 }
 
-void IRAM_ATTR NeoEsp8266UartInterruptContext::Isr(void* param)
+// The xtos_1int handler calls with param1 as the arg, param2 as a pointer
+// to an exception frame in memory.
+void IRAM_ATTR NeoEsp8266UartInterruptContext::Isr(void* param, [[maybe_unused]] void* exceptionFrame)
 {
     // make sure this is for us
     if (param == s_uartInteruptContext)
diff --git a/src/internal/NeoEsp8266UartMethod.h b/src/internal/NeoEsp8266UartMethod.h
index da61e7f..1d303da 100644
--- a/src/internal/NeoEsp8266UartMethod.h
+++ b/src/internal/NeoEsp8266UartMethod.h
@@ -79,7 +79,7 @@ private:
     volatile const uint8_t* _asyncBuffEnd;
     volatile static NeoEsp8266UartInterruptContext* s_uartInteruptContext[2]; 
 
-    static void IRAM_ATTR Isr(void* param);
+    static void IRAM_ATTR Isr(void* param, void* exceptionFrame);
 };
 
 // this template feature class is used a base for all others and contains 
diff --git a/src/internal/NeoEspBitBangMethod.h b/src/internal/NeoEspBitBangMethod.h
index 6667119..053e6eb 100644
--- a/src/internal/NeoEspBitBangMethod.h
+++ b/src/internal/NeoEspBitBangMethod.h
@@ -318,7 +318,7 @@ public:
         return _sizeData;
     };
 
-    void applySettings(const SettingsObject& settings)
+    void applySettings([[maybe_unused]] const SettingsObject& settings)
     {
     }
 
diff --git a/src/internal/TwoWireBitBangImple.h b/src/internal/TwoWireBitBangImple.h
index eede5f9..92627a8 100644
--- a/src/internal/TwoWireBitBangImple.h
+++ b/src/internal/TwoWireBitBangImple.h
@@ -88,7 +88,7 @@ public:
         }
     }
 
-    void applySettings(const SettingsObject& settings)
+    void applySettings([[maybe_unused]] const SettingsObject& settings)
     {
     }
 
diff --git a/src/internal/TwoWireHspiImple.h b/src/internal/TwoWireHspiImple.h
index 5a96bd5..1c774be 100644
--- a/src/internal/TwoWireHspiImple.h
+++ b/src/internal/TwoWireHspiImple.h
@@ -81,7 +81,7 @@ public:
         _hspi->writeBytes(const_cast<uint8_t*>(data), dataSize);
     }
 
-    void applySettings(const SettingsObject& settings)
+    void applySettings([[maybe_unused]] const SettingsObject& settings)
     {
         _speed.applySettings(settings);
     }
diff --git a/src/internal/Ws2801GenericMethod.h b/src/internal/Ws2801GenericMethod.h
index 24521c6..fea18a1 100644
--- a/src/internal/Ws2801GenericMethod.h
+++ b/src/internal/Ws2801GenericMethod.h
@@ -112,7 +112,7 @@ public:
         return _sizeData;
     };
 
-    void applySettings(const SettingsObject& settings)
+    void applySettings([[maybe_unused]] const SettingsObject& settings)
     {
         _wire.applySettings(settings);
     }