diff --git a/src/e1_input.c b/src/e1_input.c
index 2c8a541..09fea59 100644
--- a/src/e1_input.c
+++ b/src/e1_input.c
@@ -28,21 +28,13 @@
 #include <errno.h>
 #include <string.h>
 #include <time.h>
-#include <sys/fcntl.h>
+#include <fcntl.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <arpa/inet.h>
-#include <mISDNif.h>
 
 #include <osmocom/abis/lapd.h>
 
-//#define AF_COMPATIBILITY_FUNC
-//#include <compat_af_isdn.h>
-#ifndef AF_ISDN
-#define AF_ISDN 34
-#define PF_ISDN AF_ISDN
-#endif
-
 #include <osmocom/core/linuxlist.h>
 #include <osmocom/core/talloc.h>
 #include <osmocom/core/rate_ctr.h>
diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c
index 9e64471..ac84ffc 100644
--- a/src/input/ipaccess.c
+++ b/src/input/ipaccess.c
@@ -31,7 +31,7 @@
 #include <netinet/tcp.h>
 #include <string.h>
 #include <time.h>
-#include <sys/fcntl.h>
+#include <fcntl.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <arpa/inet.h>
diff --git a/src/input/misdn.c b/src/input/misdn.c
index 9315e23..98a836f 100644
--- a/src/input/misdn.c
+++ b/src/input/misdn.c
@@ -41,8 +41,8 @@
 #include <errno.h>
 #include <string.h>
 #include <time.h>
-#include <sys/fcntl.h>
 #include <sys/socket.h>
+#include <sys/types.h>
 #include <sys/ioctl.h>
 #include <arpa/inet.h>
 #include <mISDNif.h>