diff --git a/src/detect/i2cScan.h b/src/detect/i2cScan.h
index 8b8bb647b..d44c52199 100644
--- a/src/detect/i2cScan.h
+++ b/src/detect/i2cScan.h
@@ -221,5 +221,5 @@ void scanI2Cdevice(TwoWire myWire, uint8_t busnum)
         DEBUG_MSG("%i I2C devices found\n",nDevices);
 }
 #else
-void scanI2Cdevice(TwoWire myWire, uint8_t busnum) {}
+void scanI2Cdevice() {}
 #endif
diff --git a/src/input/cardKbI2cImpl.cpp b/src/input/cardKbI2cImpl.cpp
index bef99f4c3..b19820920 100644
--- a/src/input/cardKbI2cImpl.cpp
+++ b/src/input/cardKbI2cImpl.cpp
@@ -1,6 +1,8 @@
 #include "cardKbI2cImpl.h"
 #include "InputBroker.h"
 
+#if HAS_WIRE
+
 CardKbI2cImpl *cardKbI2cImpl;
 
 CardKbI2cImpl::CardKbI2cImpl() :
@@ -18,3 +20,5 @@ void CardKbI2cImpl::init()
 
     inputBroker->registerSource(this);
 }
+
+#endif
\ No newline at end of file
diff --git a/src/input/kbI2cBase.cpp b/src/input/kbI2cBase.cpp
index 7285d3919..5f362f480 100644
--- a/src/input/kbI2cBase.cpp
+++ b/src/input/kbI2cBase.cpp
@@ -3,6 +3,7 @@
 #include "main.h"
 #include <Wire.h>
 
+#if HAS_WIRE
 
 KbI2cBase::KbI2cBase(const char *name) : concurrency::OSThread(name)
 {
@@ -120,3 +121,5 @@ int32_t KbI2cBase::runOnce()
     }
     return 500;
 }
+
+#endif
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 195be3edc..27b16a96b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -247,8 +247,10 @@ void setup()
     powerStatus->observe(&power->newStatus);
     power->setup(); // Must be after status handler is installed, so that handler gets notified of the initial configuration
 
+#if HAS_WIRE
     // We need to scan here to decide if we have a screen for nodeDB.init()
     scanI2Cdevice(Wire,0);
+#endif
 
 #ifdef I2C_SDA1
     scanI2Cdevice(Wire1,1);