diff --git a/bacnet-stack/src/bacdevobjpropref.c b/bacnet-stack/src/bacdevobjpropref.c
index a29ba96b..c7a57285 100644
--- a/bacnet-stack/src/bacdevobjpropref.c
+++ b/bacnet-stack/src/bacdevobjpropref.c
@@ -35,7 +35,6 @@
 #include <stdbool.h>
 #include "bacdcode.h"
 #include "npdu.h"
-#include "device.h"
 #include "timestamp.h"
 #include "bacdevobjpropref.h"
 
diff --git a/bacnet-stack/src/bacpropstates.c b/bacnet-stack/src/bacpropstates.c
index e75481ec..daeefc6f 100644
--- a/bacnet-stack/src/bacpropstates.c
+++ b/bacnet-stack/src/bacpropstates.c
@@ -34,7 +34,6 @@
 
 #include "bacdcode.h"
 #include "npdu.h"
-#include "device.h"
 #include "timestamp.h"
 #include "bacpropstates.h"
 
diff --git a/bacnet-stack/src/event.c b/bacnet-stack/src/event.c
index 8c3fa642..7a6d5834 100644
--- a/bacnet-stack/src/event.c
+++ b/bacnet-stack/src/event.c
@@ -35,7 +35,6 @@
 #include "event.h"
 #include "bacdcode.h"
 #include "npdu.h"
-#include "device.h"
 #include "timestamp.h"
 
 /** @file event.c  Encode/Decode Event Notifications */
diff --git a/bacnet-stack/src/iam.c b/bacnet-stack/src/iam.c
index 6ba7c359..ed9dfb43 100755
--- a/bacnet-stack/src/iam.c
+++ b/bacnet-stack/src/iam.c
@@ -36,7 +36,6 @@
 #include "bacdef.h"
 #include "npdu.h"
 #include "dcc.h"
-#include "device.h"
 #include "bacdcode.h"
 #include "address.h"
 #include "iam.h"