diff --git a/definitions/objects/system.def b/definitions/objects/system.def
index 88fb9e3..5ae0526 100644
--- a/definitions/objects/system.def
+++ b/definitions/objects/system.def
@@ -1,6 +1,3 @@
-import "objects/endpoint.def"
-import "objects/vma.def"
-
 # The system object represents a handle to kernel functionality
 # needed by drivers and other priviledged services
 object system : object {
diff --git a/src/kernel/syscalls/vm_area.cpp b/src/kernel/syscalls/vm_area.cpp
index 1c42f05..96b90c2 100644
--- a/src/kernel/syscalls/vm_area.cpp
+++ b/src/kernel/syscalls/vm_area.cpp
@@ -1,5 +1,4 @@
 #include <j6/errors.h>
-#include <j6/signals.h>
 #include <j6/types.h>
 
 #include "logger.h"
diff --git a/src/libraries/util/util/util.h b/src/libraries/util/util/util.h
index 41ed91b..83407a5 100644
--- a/src/libraries/util/util/util.h
+++ b/src/libraries/util/util/util.h
@@ -2,6 +2,7 @@
 /// \file util.h
 /// Utility functions used in other util code
 
+#include <stddef.h>
 #include <stdint.h>
 
 namespace util {