diff --git a/src/mac/app.cpp b/src/mac/app.cpp
index 8529b9e59b..63898fed72 100644
--- a/src/mac/app.cpp
+++ b/src/mac/app.cpp
@@ -73,7 +73,6 @@ extern wxList *wxWinMacControlList;
 // statics for implementation
 
 static bool s_inYield = FALSE;
-static bool s_inOnIdle = FALSE;
 
 #if TARGET_CARBON
 static bool s_inReceiveEvent = FALSE ;
diff --git a/src/mac/carbon/app.cpp b/src/mac/carbon/app.cpp
index 8529b9e59b..63898fed72 100644
--- a/src/mac/carbon/app.cpp
+++ b/src/mac/carbon/app.cpp
@@ -73,7 +73,6 @@ extern wxList *wxWinMacControlList;
 // statics for implementation
 
 static bool s_inYield = FALSE;
-static bool s_inOnIdle = FALSE;
 
 #if TARGET_CARBON
 static bool s_inReceiveEvent = FALSE ;