diff --git a/db.cpp b/db.cpp
index 1d9ca15..526e779 100644
--- a/db.cpp
+++ b/db.cpp
@@ -7,11 +7,6 @@ void CAddrInfo::Update(bool good) {
     uint32_t now = time(NULL);
     if (ourLastTry == 0)
       ourLastTry = now - MIN_RETRY;
-    double f =  exp(-(now-ourLastTry)/TAU);
-    reliability = reliability * f + (good ? (1.0-f) : 0);
-    timing = (timing + (now-ourLastTry) * weight) * f;
-    count = count * f + 1;
-    weight = weight * f + (1.0-f);
     lastTry = now;
     ourLastTry = now;
     total++;
diff --git a/db.h b/db.h
index e3ee55d..6ad869d 100644
--- a/db.h
+++ b/db.h
@@ -19,6 +19,18 @@ std::string static inline ToString(const CIPPort &ip) {
   return str;
 }
 
+template<float tau> class CAddrStat {
+private:
+  float reliability;
+  float timing;
+  float count;
+  float weight;
+public:
+  void Update(bool good, int64 tim) {
+    
+  }
+}
+
 class CAddrInfo {
 private:
   CIPPort ip;