diff --git a/headers/private/kernel/vm.h b/headers/private/kernel/vm.h
index 6135b09805..9581939ffd 100644
--- a/headers/private/kernel/vm.h
+++ b/headers/private/kernel/vm.h
@@ -23,6 +23,58 @@ struct vm_address_space;
 struct vnode;
 
 
+// additional protection flags
+// Note: the VM probably won't support all combinations - it will try
+// its best, but create_area() will fail if it has to.
+// Of course, the exact behaviour will be documented somewhere...
+#define B_EXECUTE_AREA			0x04
+#define B_STACK_AREA			0x08
+	// "stack" protection is not available on most platforms - it's used
+	// to only commit memory as needed, and have guard pages at the
+	// bottom of the stack.
+	// "execute" protection is currently ignored, but nevertheless, you
+	// should use it if you require to execute code in that area.
+
+#define B_KERNEL_EXECUTE_AREA	0x40
+#define B_KERNEL_STACK_AREA		0x80
+
+#define B_USER_PROTECTION \
+	(B_READ_AREA | B_WRITE_AREA | B_EXECUTE_AREA | B_STACK_AREA)
+#define B_KERNEL_PROTECTION \
+	(B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA | B_KERNEL_EXECUTE_AREA \
+	| B_KERNEL_STACK_AREA)
+
+#define B_OVERCOMMITTING_AREA	0x1000
+	// ToDo: this is not really a protection flag, but since the "protection"
+	//	field is the only flag field, we currently use it for this.
+	//	A cleaner approach would be appreciated - maybe just an official generic
+	//	flags region in the protection field.
+
+#define B_USER_AREA_FLAGS		(B_USER_PROTECTION)
+#define B_KERNEL_AREA_FLAGS \
+	(B_KERNEL_PROTECTION | B_USER_CLONEABLE_AREA | B_OVERCOMMITTING_AREA)
+
+// flags for vm_get_physical_page()
+enum {
+	PHYSICAL_PAGE_NO_WAIT = 0,
+	PHYSICAL_PAGE_CAN_WAIT,
+};
+
+// mapping argument for several internal VM functions
+enum {
+	REGION_NO_PRIVATE_MAP = 0,
+	REGION_PRIVATE_MAP
+};
+
+enum {
+	// ToDo: these are here only temporarily - it's a private
+	//	addition to the BeOS create_area() lock flags
+	B_ALREADY_WIRED	= 6,
+};
+
+#define MEMORY_TYPE_SHIFT		28
+
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/headers/private/kernel/vm_types.h b/headers/private/kernel/vm_types.h
index 50a0031ce2..a610e7f151 100644
--- a/headers/private/kernel/vm_types.h
+++ b/headers/private/kernel/vm_types.h
@@ -232,55 +232,4 @@ typedef struct vm_store_ops {
 	void (*release_ref)(struct vm_store *backing_store);
 } vm_store_ops;
 
-// args for the create_area funcs
-
-enum {
-	REGION_NO_PRIVATE_MAP = 0,
-	REGION_PRIVATE_MAP
-};
-
-enum {
-	// ToDo: these are here only temporarily - it's a private
-	//	addition to the BeOS create_area() lock flags
-	B_ALREADY_WIRED	= 6,
-};
-
-enum {
-	PHYSICAL_PAGE_NO_WAIT = 0,
-	PHYSICAL_PAGE_CAN_WAIT,
-};
-
-#define MEMORY_TYPE_SHIFT		28
-
-// additional protection flags
-// Note: the VM probably won't support all combinations - it will try
-// its best, but create_area() will fail if it has to.
-// Of course, the exact behaviour will be documented somewhere...
-#define B_EXECUTE_AREA			0x04
-#define B_STACK_AREA			0x08
-	// "stack" protection is not available on most platforms - it's used
-	// to only commit memory as needed, and have guard pages at the
-	// bottom of the stack.
-	// "execute" protection is currently ignored, but nevertheless, you
-	// should use it if you require to execute code in that area.
-
-#define B_KERNEL_EXECUTE_AREA	0x40
-#define B_KERNEL_STACK_AREA		0x80
-
-#define B_USER_PROTECTION \
-	(B_READ_AREA | B_WRITE_AREA | B_EXECUTE_AREA | B_STACK_AREA)
-#define B_KERNEL_PROTECTION \
-	(B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA | B_KERNEL_EXECUTE_AREA \
-	| B_KERNEL_STACK_AREA)
-
-#define B_OVERCOMMITTING_AREA	0x1000
-	// ToDo: this is not really a protection flag, but since the "protection"
-	//	field is the only flag field, we currently use it for this.
-	//	A cleaner approach would be appreciated - maybe just an official generic
-	//	flags region in the protection field.
-
-#define B_USER_AREA_FLAGS		(B_USER_PROTECTION)
-#define B_KERNEL_AREA_FLAGS \
-	(B_KERNEL_PROTECTION | B_USER_CLONEABLE_AREA | B_OVERCOMMITTING_AREA)
-
 #endif	/* _KERNEL_VM_TYPES_H */
diff --git a/src/system/kernel/arch/x86/arch_cpu.c b/src/system/kernel/arch/x86/arch_cpu.c
index d0aacda771..b36f119708 100644
--- a/src/system/kernel/arch/x86/arch_cpu.c
+++ b/src/system/kernel/arch/x86/arch_cpu.c
@@ -16,7 +16,7 @@
 #include <boot_device.h>
 #include <smp.h>
 #include <tls.h>
-#include <vm_types.h>
+#include <vm.h>
 
 #include <arch_system_info.h>
 #include <arch/x86/selector.h>
diff --git a/src/system/kernel/elf.cpp b/src/system/kernel/elf.cpp
index e382d417ed..f73bca5048 100644
--- a/src/system/kernel/elf.cpp
+++ b/src/system/kernel/elf.cpp
@@ -27,7 +27,6 @@
 #include <vfs.h>
 #include <vm.h>
 #include <vm_address_space.h>
-#include <vm_types.h>
 
 #include <arch/cpu.h>
 #include <arch/elf.h>
diff --git a/src/system/kernel/slab/Slab.cpp b/src/system/kernel/slab/Slab.cpp
index 72b6948933..220473df4e 100644
--- a/src/system/kernel/slab/Slab.cpp
+++ b/src/system/kernel/slab/Slab.cpp
@@ -17,12 +17,12 @@
 
 #include <KernelExport.h>
 
+#include <kernel.h>
 #include <smp.h>
 #include <util/AutoLock.h>
 #include <util/DoublyLinkedList.h>
 #include <util/OpenHashTable.h>
 #include <vm.h>
-#include <vm_types.h>
 #include <vm_low_memory.h>
 
 
diff --git a/src/system/kernel/thread.cpp b/src/system/kernel/thread.cpp
index b6fa9c1405..adfd5e7168 100644
--- a/src/system/kernel/thread.cpp
+++ b/src/system/kernel/thread.cpp
@@ -26,7 +26,6 @@
 #include <vfs.h>
 #include <vm.h>
 #include <vm_address_space.h>
-#include <vm_types.h>
 
 #include <boot/kernel_args.h>
 #include <util/khash.h>