diff --git a/blazar/plugins/floatingips/floatingip_plugin.py b/blazar/plugins/floatingips/floatingip_plugin.py
index 08fd4034..f3e23b9e 100644
--- a/blazar/plugins/floatingips/floatingip_plugin.py
+++ b/blazar/plugins/floatingips/floatingip_plugin.py
@@ -215,9 +215,12 @@ class FloatingIpPlugin(base.BasePlugin):
         if fip is None:
             raise manager_ex.FloatingIPNotFound(floatingip=fip_id)
 
-        # TODO(masahito): Check no allocation exists for the floating ip here
-        # once this plugin supports reserve_resource method.
-
+        allocations = db_api.fip_allocation_get_all_by_values(
+            floatingip_id=fip_id)
+        if allocations:
+            msg = 'Floating IP id %s is allocated by reservations.' % fip_id
+            LOG.info(msg)
+            raise manager_ex.CantDeleteFloatingIP(floatingip=fip_id, msg=msg)
         try:
             db_api.floatingip_destroy(fip_id)
         except db_ex.BlazarDBException as e:
diff --git a/blazar/tests/plugins/floatingips/test_floatingip_plugin.py b/blazar/tests/plugins/floatingips/test_floatingip_plugin.py
index e4487afe..9e2a02b2 100644
--- a/blazar/tests/plugins/floatingips/test_floatingip_plugin.py
+++ b/blazar/tests/plugins/floatingips/test_floatingip_plugin.py
@@ -144,14 +144,42 @@ class FloatingIpPluginTest(tests.TestCase):
         }
         patch_fip_get = self.patch(db_api, 'floatingip_get')
         patch_fip_get.return_value = fip_row
+        patch_fip_alloc = self.patch(db_api,
+                                     'fip_allocation_get_all_by_values')
+        patch_fip_alloc.return_value = []
         patch_fip_destroy = self.patch(db_api, 'floatingip_destroy')
 
         fip_plugin = floatingip_plugin.FloatingIpPlugin()
         fip_plugin.delete_floatingip('fip-id')
 
         patch_fip_get.assert_called_once_with('fip-id')
+        patch_fip_alloc.assert_called_once_with(floatingip_id='fip-id')
         patch_fip_destroy.assert_called_once_with('fip-id')
 
+    def test_delete_floatingip_with_reservations(self):
+        fip_row = {
+            'id': 'fip-id',
+            'network_id': 'net-id',
+            'subnet_id': 'subnet-id',
+            'floating_ip_address': '172.24.4.100',
+            'reservable': True
+        }
+        patch_fip_get = self.patch(db_api, 'floatingip_get')
+        patch_fip_get.return_value = fip_row
+        patch_fip_alloc = self.patch(db_api,
+                                     'fip_allocation_get_all_by_values')
+        patch_fip_alloc.return_value = [
+            {
+                'id': 'alloc-id1',
+                'floatingip_id': 'fip-id',
+                'reservation_id': 'reservations-id1'
+            }
+        ]
+        fip_plugin = floatingip_plugin.FloatingIpPlugin()
+        self.assertRaises(mgr_exceptions.CantDeleteFloatingIP,
+                          fip_plugin.delete_floatingip,
+                          'fip-id1')
+
     def test_delete_floatingip_with_no_exist(self):
         patch_fip_get = self.patch(db_api, 'floatingip_get')
         patch_fip_get.return_value = None