diff --git a/IOSTM.cpp b/IOSTM.cpp
index 574297d..90b2c85 100644
--- a/IOSTM.cpp
+++ b/IOSTM.cpp
@@ -139,7 +139,7 @@
 #define PIN_COS_LED          GPIO_Pin_15
 #define PORT_COS_LED         GPIOB
 
-#elif defined(ADF7021_CARRIER_BOARD) || defined(ZUMSPOT_LIBRE)
+#elif defined(ADF7021_CARRIER_BOARD)
 
 #define PIN_SCLK             GPIO_Pin_5
 #define PORT_SCLK            GPIOB
@@ -197,7 +197,7 @@
 #define PORT_COS_LED         GPIOB
 
 #else
-#error "Either PI_HAT_7021_REV_02, PI_HAT_7021_REV_03, ZUMSPOT_LIBRE or ADF7021_CARRIER_BOARD need to be defined"
+#error "Either PI_HAT_7021_REV_02, PI_HAT_7021_REV_03 or ADF7021_CARRIER_BOARD need to be defined"
 #endif
 
 extern "C" {
@@ -219,7 +219,7 @@ extern "C" {
   }
 #endif
 
-#elif defined(PI_HAT_7021_REV_03) || defined(ADF7021_CARRIER_BOARD) || defined(ZUMSPOT_LIBRE)
+#elif defined(PI_HAT_7021_REV_03) || defined(ADF7021_CARRIER_BOARD)
 
 #if defined(BIDIR_DATA_PIN)
   void EXTI3_IRQHandler(void) {
@@ -247,7 +247,7 @@ void CIO::Init()
   
 #if defined(PI_HAT_7021_REV_02)
   GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable, ENABLE);
-#elif defined(PI_HAT_7021_REV_03) || defined(ADF7021_CARRIER_BOARD) || defined(ZUMSPOT_LIBRE)
+#elif defined(PI_HAT_7021_REV_03) || defined(ADF7021_CARRIER_BOARD)
   GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
 #endif
 
@@ -391,7 +391,7 @@ void CIO::Init()
   EXTI_InitStructure.EXTI_Line = EXTI_Line14;
 #endif
 
-#elif defined(PI_HAT_7021_REV_03) || defined(ADF7021_CARRIER_BOARD) || defined(ZUMSPOT_LIBRE)
+#elif defined(PI_HAT_7021_REV_03) || defined(ADF7021_CARRIER_BOARD)
 
 #if defined(BIDIR_DATA_PIN)
   // Connect EXTI3 Line
@@ -421,7 +421,7 @@ void CIO::startInt()
 
   NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
 
-#elif defined(PI_HAT_7021_REV_03) || defined(ADF7021_CARRIER_BOARD) || defined(ZUMSPOT_LIBRE)
+#elif defined(PI_HAT_7021_REV_03) || defined(ADF7021_CARRIER_BOARD)
 
 #if defined(BIDIR_DATA_PIN)
   // Enable and set EXTI3 Interrupt