diff --git a/headers/private/kernel/slab/Base.h b/headers/private/kernel/slab/Base.h
index 8843b36222..7090e5f8e9 100644
--- a/headers/private/kernel/slab/Base.h
+++ b/headers/private/kernel/slab/Base.h
@@ -5,7 +5,6 @@
  * Authors:
  *      Hugo Santos, hugosantos@gmail.com
  */
-
 #ifndef _SLAB_BASE_SLAB_H_
 #define _SLAB_BASE_SLAB_H_
 
diff --git a/headers/private/kernel/slab/Depot.h b/headers/private/kernel/slab/Depot.h
index e6fa721efe..63be68c41e 100644
--- a/headers/private/kernel/slab/Depot.h
+++ b/headers/private/kernel/slab/Depot.h
@@ -5,7 +5,6 @@
  * Authors:
  *      Hugo Santos, hugosantos@gmail.com
  */
-
 #ifndef _SLAB_DEPOT_H_
 #define _SLAB_DEPOT_H_
 
diff --git a/headers/private/kernel/slab/Slab.h b/headers/private/kernel/slab/Slab.h
index aa66cb702f..92a1c870e3 100644
--- a/headers/private/kernel/slab/Slab.h
+++ b/headers/private/kernel/slab/Slab.h
@@ -5,7 +5,6 @@
  * Authors:
  *      Hugo Santos, hugosantos@gmail.com
  */
-
 #ifndef _SLAB_SLAB_H_
 #define _SLAB_SLAB_H_
 
diff --git a/src/system/kernel/slab/Slab.cpp b/src/system/kernel/slab/Slab.cpp
index 37bd4f9be7..49be17fc73 100644
--- a/src/system/kernel/slab/Slab.cpp
+++ b/src/system/kernel/slab/Slab.cpp
@@ -1152,7 +1152,7 @@ dump_cache_info(int argc, char *argv[])
 	object_cache *cache = (object_cache *)strtoul(argv[1], NULL, 16);
 
 	kprintf("name: %s\n", cache->name);
-	kprintf("lock: { count: %i, sem: %ld }\n", cache->lock.count,
+	kprintf("lock: { count: %ld, sem: %ld }\n", cache->lock.count,
 		cache->lock.sem);
 	kprintf("object_size: %lu\n", cache->object_size);
 	kprintf("cache_color_cycle: %lu\n", cache->cache_color_cycle);
diff --git a/src/system/kernel/slab/slab_private.h b/src/system/kernel/slab/slab_private.h
index ed33f51731..883712f7c5 100644
--- a/src/system/kernel/slab/slab_private.h
+++ b/src/system/kernel/slab/slab_private.h
@@ -5,17 +5,15 @@
  * Authors:
  *      Hugo Santos, hugosantos@gmail.com
  */
-
-
 #ifndef _SLAB_PRIVATE_H_
 #define _SLAB_PRIVATE_H_
 
-extern "C" {
-	void *block_alloc(size_t size);
-	void block_free(void *block);
-	void block_allocator_init_boot();
-	void block_allocator_init_rest();
-}
+#include <stddef.h>
+
+void *block_alloc(size_t size);
+void block_free(void *block);
+void block_allocator_init_boot();
+void block_allocator_init_rest();
 
 #endif