diff --git a/taxonomy_access.install b/taxonomy_access.install
index a8dffc5..58d3d35 100644
--- a/taxonomy_access.install
+++ b/taxonomy_access.install
@@ -61,7 +61,7 @@ function taxonomy_access_schema() {
         'type' => 'int',
         'unsigned' => TRUE,
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_VOCABULARY_DEFAULT,
+        'default' => 0, // TAXONOMY_ACCESS_VOCABULARY_DEFAULT
       ),
       'rid' => array(
         'description' => "The role.rid a user must possess to gain this row's privileges on nodes for this term.",
@@ -76,7 +76,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_NODE_IGNORE,
+        'default' => 0, // TAXONOMY_ACCESS_NODE_IGNORE
       ),
       'grant_update' => array(
         'description' => 'Whether this role can edit nodes with this term. 0=>Ignore, 1=>Allow, 2=>Deny.',
@@ -84,7 +84,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_NODE_IGNORE,
+        'default' => 0, // TAXONOMY_ACCESS_NODE_IGNORE
       ),
       'grant_delete' => array(
         'description' => 'Whether this role can delete nodes with this term. 0=>Ignore, 1=>Allow, 2=>Deny.',
@@ -92,7 +92,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_NODE_IGNORE,
+        'default' => 0, // TAXONOMY_ACCESS_NODE_IGNORE
       ),
       'grant_create' => array(
         'description' => 'Whether this role can set this term when adding or editing a node. 0=>No, 1=>Yes.',
@@ -100,7 +100,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_TERM_DENY,
+        'default' => 0, // TAXONOMY_ACCESS_TERM_DENY
       ),
       'grant_list' => array(
         'description' => 'Whether this role can view the name of this term on a node or in category lists. 0=>No, 1=>Yes.',
@@ -108,7 +108,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_TERM_ALLOW,
+        'default' => 1, // TAXONOMY_ACCESS_TERM_ALLOW
       ),
     ),
     'primary key' => array('tid', 'rid'),
@@ -122,7 +122,7 @@ function taxonomy_access_schema() {
         'type' => 'int',
         'unsigned' => TRUE,
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_VOCABULARY_DEFAULT,
+        'default' => 0, // TAXONOMY_ACCESS_VOCABULARY_DEFAULT
       ),
       'rid' => array(
         'description' => "The role.rid a user must possess to gain this row's privileges on nodes for terms in this vocabulary.",
@@ -137,7 +137,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_NODE_IGNORE,
+        'default' => 0, // TAXONOMY_ACCESS_NODE_IGNORE
       ),
       'grant_update' => array(
         'description' => 'Whether this role can edit nodes with terms in this vocabulary. 0=>Ignore, 1=>Allow, 2=>Deny.',
@@ -145,7 +145,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_NODE_IGNORE,
+        'default' => 0, // TAXONOMY_ACCESS_NODE_IGNORE
       ),
       'grant_delete' => array(
         'description' => 'Whether this role can delete nodes with terms in this vocabulary. 0=>Ignore, 1=>Allow, 2=>Deny.',
@@ -153,7 +153,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_NODE_IGNORE,
+        'default' => 0, // TAXONOMY_ACCESS_NODE_IGNORE
       ),
       'grant_create' => array(
         'description' => 'Whether this role can set terms in this vocabulary when adding or editing a node. 0=>No, 1=>Yes.',
@@ -161,7 +161,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_TERM_DENY,
+        'default' => 0, // TAXONOMY_ACCESS_TERM_DENY
       ),
       'grant_list' => array(
         'description' => 'Whether this role can view the name of terms in this vocabulary on a node or in category lists. 0=>No, 1=>Yes.',
@@ -169,7 +169,7 @@ function taxonomy_access_schema() {
         'unsigned' => TRUE,
         'size' => 'tiny',
         'not null' => TRUE,
-        'default' => TAXONOMY_ACCESS_TERM_DENY,
+        'default' => 0, // TAXONOMY_ACCESS_TERM_DENY
       ),
     ),
     'primary key' => array('vid', 'rid'),