diff --git a/headers/os/app/Handler.h b/headers/os/app/Handler.h
index 4a5831bf26..9f691aca84 100644
--- a/headers/os/app/Handler.h
+++ b/headers/os/app/Handler.h
@@ -9,7 +9,6 @@
 #define _HANDLER_H
 
 
-#include <BeBuild.h>
 #include <Archivable.h>
 
 
diff --git a/headers/os/app/MessageFilter.h b/headers/os/app/MessageFilter.h
index 607ccb9cf5..539f38b882 100644
--- a/headers/os/app/MessageFilter.h
+++ b/headers/os/app/MessageFilter.h
@@ -9,7 +9,6 @@
 #define _MESSAGE_FILTER_H
 
 
-#include <BeBuild.h>
 #include <Handler.h>
 
 
diff --git a/headers/os/app/Messenger.h b/headers/os/app/Messenger.h
index f6be0930c7..3c68fee9ed 100644
--- a/headers/os/app/Messenger.h
+++ b/headers/os/app/Messenger.h
@@ -9,7 +9,6 @@
 #define _MESSENGER_H
 
 
-#include <BeBuild.h>
 #include <OS.h>
 #include <ByteOrder.h>
 #include <Message.h>