diff --git a/servers/slapd/sl_malloc.c b/servers/slapd/sl_malloc.c
index 11f05fb78cf59cb3330bcca8e7800f5dbd370015..6c9b8a21d6f489b287089fbbcd683f9633505006 100644
--- a/servers/slapd/sl_malloc.c
+++ b/servers/slapd/sl_malloc.c
@@ -62,6 +62,25 @@ enum { No_sl_malloc = 1 };
 enum { No_sl_malloc = 0 };
 #endif
 
+#define SLAP_SLAB_SOBLOCK 64
+
+struct slab_object {
+    void *so_ptr;
+	int so_blockhead;
+    LDAP_LIST_ENTRY(slab_object) so_link;
+};
+
+struct slab_heap {
+    void *sh_base;
+    void *sh_last;
+    void *sh_end;
+	int sh_stack;
+	int sh_maxorder;
+    unsigned char **sh_map;
+    LDAP_LIST_HEAD(sh_freelist, slab_object) *sh_free;
+	LDAP_LIST_HEAD(sh_so, slab_object) sh_sopool;
+};
+
 enum {
 	Align = sizeof(ber_len_t) > 2*sizeof(int)
 		? sizeof(ber_len_t) : 2*sizeof(int),
diff --git a/servers/slapd/slap.h b/servers/slapd/slap.h
index 4b16ae14d97b6e9b1dba2aaac46bd07560e9c2fb..49a89018743551cd7dc3116ace4ca1490b438d36 100644
--- a/servers/slapd/slap.h
+++ b/servers/slapd/slap.h
@@ -3038,7 +3038,6 @@ typedef int (*SLAP_ENTRY_INFO_FN) LDAP_P(( void *arg, Entry *e ));
 
 #define SLAP_SLAB_SIZE	(1024*1024)
 #define SLAP_SLAB_STACK 1
-#define SLAP_SLAB_SOBLOCK 64
 
 #define SLAP_ZONE_ALLOC 1
 #undef SLAP_ZONE_ALLOC
@@ -3268,25 +3267,6 @@ struct ComponentSyntaxInfo {
 
 #endif /* LDAP_COMP_MATCH */
 
-/* slab heap data structures */
-
-struct slab_object {
-    void *so_ptr;
-	int so_blockhead;
-    LDAP_LIST_ENTRY(slab_object) so_link;
-};
-
-struct slab_heap {
-    void *sh_base;
-    void *sh_last;
-    void *sh_end;
-	int sh_stack;
-	int sh_maxorder;
-    unsigned char **sh_map;
-    LDAP_LIST_HEAD( sh_freelist, slab_object ) *sh_free;
-	LDAP_LIST_HEAD( sh_so, slab_object ) sh_sopool;
-};
-
 #ifdef SLAP_ZONE_ALLOC
 #define SLAP_ZONE_SIZE 0x80000		/* 512KB */
 #define SLAP_ZONE_SHIFT 19