Index: uspace/lib/c/include/ipc/common.h
===================================================================
--- uspace/lib/c/include/ipc/common.h	(revision d2c8533502ff5b2f8ab86192d66ca356e4b9a813)
+++ uspace/lib/c/include/ipc/common.h	(revision 8d2dd7f2d52fbc7693f94b66e451eeff3756d061)
@@ -36,5 +36,4 @@
 #define LIBC_IPC_COMMON_H_
 
-#include <sys/types.h>
 #include <abi/ipc/ipc.h>
 #include <atomic.h>
Index: uspace/lib/c/include/ipc/ipc.h
===================================================================
--- uspace/lib/c/include/ipc/ipc.h	(revision d2c8533502ff5b2f8ab86192d66ca356e4b9a813)
+++ uspace/lib/c/include/ipc/ipc.h	(revision 8d2dd7f2d52fbc7693f94b66e451eeff3756d061)
@@ -40,5 +40,4 @@
 #define LIBC_IPC_H_
 
-#include <sys/types.h>
 #include <ipc/common.h>
 #include <abi/ipc/methods.h>
Index: uspace/lib/c/include/ipc/irq.h
===================================================================
--- uspace/lib/c/include/ipc/irq.h	(revision d2c8533502ff5b2f8ab86192d66ca356e4b9a813)
+++ uspace/lib/c/include/ipc/irq.h	(revision 8d2dd7f2d52fbc7693f94b66e451eeff3756d061)
@@ -36,5 +36,5 @@
 #define LIBC_IPC_IRQ_H_
 
-#include <sys/types.h>
+#include <libarch/types.h>
 #include <abi/ddi/irq.h>
 
Index: uspace/lib/c/include/ipc/services.h
===================================================================
--- uspace/lib/c/include/ipc/services.h	(revision d2c8533502ff5b2f8ab86192d66ca356e4b9a813)
+++ uspace/lib/c/include/ipc/services.h	(revision 8d2dd7f2d52fbc7693f94b66e451eeff3756d061)
@@ -38,5 +38,4 @@
 #define LIBC_SERVICES_H_
 
-#include <sys/types.h>
 #include <abi/fourcc.h>
 
Index: uspace/lib/c/include/ipc/vfs.h
===================================================================
--- uspace/lib/c/include/ipc/vfs.h	(revision d2c8533502ff5b2f8ab86192d66ca356e4b9a813)
+++ uspace/lib/c/include/ipc/vfs.h	(revision 8d2dd7f2d52fbc7693f94b66e451eeff3756d061)
@@ -37,5 +37,5 @@
 
 #include <ipc/common.h>
-#include <sys/types.h>
+#include <stdint.h>
 #include <stdbool.h>