diff --git a/lib/mysqlschema.php b/lib/mysqlschema.php
index 25f0e52f16..9785deb661 100644
--- a/lib/mysqlschema.php
+++ b/lib/mysqlschema.php
@@ -96,13 +96,6 @@ class MysqlSchema extends Schema
 
             // warning -- 'unsigned' attr on numbers isn't given in DATA_TYPE and friends.
             // It is stuck in on COLUMN_TYPE though (eg 'bigint(20) unsigned')
-            /*
-            list($type, $size) = $this->reverseMapType($row['DATA_TYPE']);
-            $field['type'] = $type;
-            if ($size !== null) {
-                $field['size'] = $size;
-            }
-             */
             $field['type'] = $type = $row['DATA_TYPE'];
 
             if ($type == 'char' || $type == 'varchar') {
@@ -487,37 +480,6 @@ class MysqlSchema extends Schema
         return $type;
     }
 
-    /**
-     * Map a MySQL native type back to an independent type + size
-     *
-     * @param string $type
-     * @return array ($type, $size) -- $size may be null
-     */
-    /*
-    protected function reverseMapType($type)
-    {
-        $type = strtolower($type);
-        $map = array(
-            'decimal' => array('numeric', null),
-            'tinyint' => array('int', 'tiny'),
-            'smallint' => array('int', 'small'),
-            'mediumint' => array('int', 'medium'),
-            'bigint' => array('int', 'big'),
-            'tinyblob' => array('blob', 'tiny'),
-            'mediumblob' => array('blob', 'medium'),
-            'longblob' => array('blob', 'long'),
-            'tinytext' => array('text', 'tiny'),
-            'mediumtext' => array('text', 'medium'),
-            'longtext' => array('text', 'long'),
-        );
-        if (isset($map[$type])) {
-            return $map[$type];
-        } else {
-            return array($type, null);
-        }
-    }
-     */
-
     function typeAndSize($column)
     {
         if ($column['type'] == 'enum') {
diff --git a/lib/pgsqlschema.php b/lib/pgsqlschema.php
index 0ffbcfc480..e5442467c4 100644
--- a/lib/pgsqlschema.php
+++ b/lib/pgsqlschema.php
@@ -81,15 +81,6 @@ class PgsqlSchema extends Schema
             $orderedFields[$row['ordinal_position']] = $name;
 
             $field = array();
-
-            // ??
-            /*
-            list($type, $size) = $this->reverseMapType($row['udt_name']);
-            $field['type'] = $type;
-            if ($size !== null) {
-                $field['size'] = $size;
-            }
-             */
             $field['type'] = $row['udt_name'];
 
             if ($type == 'char' || $type == 'varchar') {
@@ -366,12 +357,16 @@ class PgsqlSchema extends Schema
             $type = $map[$type];
         }
 
-        if (!empty($column['size'])) {
-            $size = $column['size'];
-            if ($type == 'int' &&
-                       in_array($size, array('small', 'big'))) {
-                $type = $size . 'int';
+        if ($type == 'int') {
+            if (!empty($column['size'])) {
+                $size = $column['size'];
+                if ($size == 'small') {
+                    return 'int2';
+                } else if ($size == 'big') {
+                    return 'int8';
+                }
             }
+            return 'int4';
         }
 
         return $type;
@@ -388,27 +383,6 @@ class PgsqlSchema extends Schema
         }
     }
 
-    /**
-     * Map a native type back to an independent type + size
-     *
-     * @param string $type
-     * @return array ($type, $size) -- $size may be null
-     */
-    protected function reverseMapType($type)
-    {
-        $type = strtolower($type);
-        $map = array(
-            'int4' => array('int', null),
-            'int8' => array('int', 'big'),
-            'bytea' => array('blob', null),
-        );
-        if (isset($map[$type])) {
-            return $map[$type];
-        } else {
-            return array($type, null);
-        }
-    }
-
     /**
      * Filter the given table definition array to match features available
      * in this database.
diff --git a/lib/schema.php b/lib/schema.php
index 16fb502253..9f2899ba8c 100644
--- a/lib/schema.php
+++ b/lib/schema.php
@@ -772,23 +772,6 @@ class Schema
         }
     }
 
-    /**
-     * Map a native type back to an independent type + size
-     *
-     * @param string $type
-     * @return array ($type, $size) -- $size may be null
-     */
-    protected function reverseMapType($type)
-    {
-        $sizes = array('tiny', 'small', 'medium', 'big');
-        foreach ($sizes as $prefix) {
-            if (substr($type, 0, strlen($prefix)) == $prefix) {
-                return array(substr($type, strlen($prefix)), $prefix);
-            }
-        }
-        return array($type, null);
-    }
-
     /**
      * Convert an old-style set of ColumnDef objects into the current
      * Drupal-style schema definition array, for backwards compatibility