diff --git a/lib/keys.js b/lib/keys.js
index f6cff1d..ebf5699 100644
--- a/lib/keys.js
+++ b/lib/keys.js
@@ -18,6 +18,7 @@ exports.del = function (mockInstance, keys, callback) {
 
     if (keys[i] in mockInstance.storage) {
 
+      clearTimeout(mockInstance.storage[keys[i]]._expire);
       delete mockInstance.storage[keys[i]];
       keysDeleted++;
 
diff --git a/lib/server.js b/lib/server.js
index 5aa0550..0393b09 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -8,6 +8,10 @@
  * flushdb
  */
 exports.flushdb = flushdb = function (mockInstance, callback) {
+  for (var key in mockInstance.storage) {
+      clearTimeout(mockInstance.storage[key]._expire);
+  }
+
   mockInstance.storage = {};
 
   mockInstance._callCallback(callback, null, 'OK');