diff --git a/engines/default/assoc.c b/engines/default/assoc.c
index b38b23e9f..88b7c0cf4 100644
--- a/engines/default/assoc.c
+++ b/engines/default/assoc.c
@@ -36,9 +36,7 @@
 #define DEFAULT_PREFIX_HASHPOWER 10
 #define DEFAULT_PREFIX_MAX_DEPTH 1
 
-#ifdef VARIABLE_SIZED_ROOTTABLE
 #define DEFAULT_ROOTSIZE 512
-#endif
 
 typedef struct {
     prefix_t   *pt;
@@ -59,41 +57,29 @@ ENGINE_ERROR_CODE assoc_init(struct default_engine *engine)
     assoc->hashsize = hashsize(assoc->hashpower);
     assoc->hashmask = hashmask(assoc->hashpower);
     assoc->rootpower = 0;
-#ifdef VARIABLE_SIZED_ROOTTABLE
     assoc->rootsize = DEFAULT_ROOTSIZE;
-    assoc->roottable = calloc(assoc->rootsize, sizeof(void *));
-#else
-    assoc->roottable = calloc(assoc->hashsize * 2, sizeof(void *));
-#endif
 
+    assoc->roottable = calloc(assoc->rootsize, sizeof(void *));
     if (assoc->roottable == NULL) {
         return ENGINE_ENOMEM;
     }
 
-#ifdef VARIABLE_SIZED_ROOTTABLE
     assoc->roottable[0].hashtable = calloc(assoc->hashsize, sizeof(void*));
     if (assoc->roottable[0].hashtable == NULL) {
         free(assoc->roottable);
         return ENGINE_ENOMEM;
     }
-#else
-    assoc->roottable[0].hashtable = (hash_item**)&assoc->roottable[assoc->hashsize];
-#endif
 
     assoc->infotable = calloc(assoc->hashsize, sizeof(struct bucket_info));
     if (assoc->infotable == NULL) {
-#ifdef VARIABLE_SIZED_ROOTTABLE
         free(assoc->roottable[0].hashtable);
-#endif
         free(assoc->roottable);
         return ENGINE_ENOMEM;
     }
 
     assoc->prefix_hashtable = calloc(hashsize(DEFAULT_PREFIX_HASHPOWER), sizeof(void *));
     if (assoc->prefix_hashtable == NULL) {
-#ifdef VARIABLE_SIZED_ROOTTABLE
         free(assoc->roottable[0].hashtable);
-#endif
         free(assoc->roottable);
         free(assoc->infotable);
         return ENGINE_ENOMEM;
@@ -112,10 +98,7 @@ void assoc_final(struct default_engine *engine)
     struct assoc *assoc = &engine->assoc;
     int ii, table_count;
 
-#ifdef VARIABLE_SIZED_ROOTTABLE
     free(assoc->roottable[0].hashtable);
-#endif
-
     for (ii=0; ii < assoc->rootpower; ++ii) {
          table_count = hashsize(ii); //2 ^ n
          free(assoc->roottable[table_count].hashtable);
@@ -198,7 +181,6 @@ static void assoc_expand(struct default_engine *engine)
     hash_item** new_hashtable;
     uint32_t ii, table_count = hashsize(assoc->rootpower); // 2 ^ n
 
-#ifdef VARIABLE_SIZED_ROOTTABLE
     if (table_count * 2 > assoc->rootsize) {
         struct table *reallocated_roottable = realloc(assoc->roottable, sizeof(void*) * assoc->rootsize * 2);
         if (reallocated_roottable == NULL) {
@@ -207,7 +189,6 @@ static void assoc_expand(struct default_engine *engine)
         assoc->roottable = reallocated_roottable;
         assoc->rootsize *= 2;
     }
-#endif
     new_hashtable = calloc(assoc->hashsize * table_count, sizeof(void *));
     if (new_hashtable) {
         for (ii=0; ii < table_count; ++ii) {
diff --git a/engines/default/assoc.h b/engines/default/assoc.h
index bc52379d7..754a46cb3 100644
--- a/engines/default/assoc.h
+++ b/engines/default/assoc.h
@@ -58,9 +58,7 @@ struct assoc {
     uint32_t hashsize;  /* hash table size */
     uint32_t hashmask;  /* hash bucket mask */
     uint32_t rootpower; /* how many hash tables we use ? (power of 2) */
-#ifdef VARIABLE_SIZED_ROOTTABLE
     uint32_t rootsize;
-#endif
 
     /* cache item hash table : an array of hash tables */
     struct table {
diff --git a/include/memcached/types.h b/include/memcached/types.h
index d3b882423..5e12291ff 100644
--- a/include/memcached/types.h
+++ b/include/memcached/types.h
@@ -37,7 +37,6 @@ struct iovec {
 #define SUPPORT_BOP_MGET
 #define SUPPORT_BOP_SMGET
 #define JHPARK_OLD_SMGET_INTERFACE
-#define VARIABLE_SIZED_ROOTTABLE
 #define MAX_EFLAG_COMPARE_COUNT 100