diff --git a/include/comrogue/internals/layout.h b/include/comrogue/internals/layout.h
index 95f7952..19bf186 100644
--- a/include/comrogue/internals/layout.h
+++ b/include/comrogue/internals/layout.h
@@ -48,6 +48,14 @@
 #define PAGE_COUNT_IO            4096                 /* 16 megabytes mapped for IO */
 #define VMADDR_KERNEL_NOMANS     0xFFFF0000           /* start of kernel "no man's land" */
 
+/*------------------------------------
+ * Sizes of internal data structures.
+ *------------------------------------
+ */
+
+#define SIZE_INIT_STACK          4096                 /* size of the initial stack */
+#define SIZE_INIT_HEAP           16384                /* size of the initial heap */
+
 #endif /* __COMROGUE_INTERNALS__ */
 
 #endif /* __LAYOUT_H_INCLUDED */
diff --git a/kernel/init_heap.c b/kernel/init_heap.c
index f89f82f..fddd7cb 100644
--- a/kernel/init_heap.c
+++ b/kernel/init_heap.c
@@ -35,7 +35,7 @@
 #include <comrogue/allocator.h>
 #include <comrogue/objhelp.h>
 #include <comrogue/internals/seg.h>
-#include "sizes.h"
+#include <comrogue/internals/layout.h>
 
 /*-------------------------------------------------------------------------------------------------------------
  * Initial heap implementation.  Since this will only be used by initializer code and freed with the rest
diff --git a/kernel/sizes.h b/kernel/sizes.h
deleted file mode 100644
index b32df6e..0000000
--- a/kernel/sizes.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * This file is part of the COMROGUE Operating System for Raspberry Pi
- *
- * Copyright (c) 2013, Eric J. Bowersox / Erbosoft Enterprises
- * All rights reserved.
- *
- * This program is free for commercial and non-commercial use as long as the following conditions are
- * adhered to.
- *
- * Copyright in this file remains Eric J. Bowersox and/or Erbosoft, and as such any copyright notices
- * in the code are not to be removed.
- *
- * Redistribution and use in source and binary forms, with or without modification, are permitted
- * provided that the following conditions are met:
- * 
- * * Redistributions of source code must retain the above copyright notice, this list of conditions and
- *   the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
- *   the following disclaimer in the documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * "Raspberry Pi" is a trademark of the Raspberry Pi Foundation.
- */
-#ifndef __SIZES_H_INCLUDED
-#define __SIZES_H_INCLUDED
-
-/*-----------------------------------
- * Sizes of internal data structures
- *-----------------------------------
- */
-
-#define SIZE_INIT_STACK     4096                  /* size of the initial stack */
-#define SIZE_INIT_HEAP      16384                 /* size of the initial heap */
-
-#endif /* __SIZES_H_INCLUDED */
diff --git a/kernel/start.S b/kernel/start.S
index 5861dad..27252c6 100644
--- a/kernel/start.S
+++ b/kernel/start.S
@@ -31,7 +31,6 @@
  */
 #include <comrogue/internals/layout.h>
 #include <comrogue/internals/sctlr.h>
-#include "sizes.h"
 	
 .section ".first.init.text"