diff --git a/src/main.cpp b/src/main.cpp
index 7af975b4d..0c2d97694 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -706,38 +706,6 @@ bool IsStandardTx(const CTransaction& tx, string& reason)
     return true;
 }
 
-/*int32_t komodo_grandfathered(uint32_t locktime)
-{
-    static uint32_t grandfathered[] =
-    {
-        //1477262681, 1477262990, 1477598030, 1477269321, 1480625490, 1482008580, 1485678643, 1485972116, 1486039258, 1486096477, 1486159886, 1486236495, 1486305013, 1486390414, 1486390791, 1486391232, 1486395617, 1486415304, 1486439074, 1486507244, 1486536946, 1486766037, 1486766559, 1486768230, 1486768294, 1487355181, 1487356312, 1487449891, 1487467926, 1487614001, 1487639158, 1489298992, 1489299229, 1489299737, 1489299939, 1489300155, 1489300326, 1489300370, 1489408020, 1489408285, 1489438206, 1489463334, 1489519879, 1489519942, 1489519818, 1489597387, 1489663030, 1489687820, 1489796259, 1489838437, 1489847404, 1490022684, 1490117937, 1490118373
-        1477258935, 1477257204, 1477253947, 1477254016, 1477251241, 1477251105, 1477250875, 1477249280,
-        1477249145, 1477249036, 1477248998, 1477248821, 1477248760, 1477248662, 1477248623, 1477248467,
-        1477248430, 1477248389, 1477248268, 1477247602, 1477247563, 1477247480, 1477247443, 1477247152,
-        1477246967, 1477246843, 1477246772, 1477246737, 1477246659, 1477246372, 1477246214, 1477245870,
-        1477245519, 1477245434, 1477245280, 1477245043, 1477244956, 1477244721, 1477244574, 1477244444,
-        1477244345, 1477244293, 1477253223, 1477253297, 1477252992, 1477253025, 1477256283, 1476963619,
-        1480538961, 1480538961, 1481994241, 1485376185, 1485964187, 1486019481, 1486126273, 1486232034,
-        1486231980, 1486158028, 1486381700, 1486367151, 1486369396, 1486369400, 1486369739, 1486381492,
-        1486502320, 1486496032, 1486507806, 1486490938, 1485981956, 1486466190, 1487578969, 1487625710,
-        1488740061, 1489381998, 1489368980, 1489394298, 1489379223, 1489373356, 1489381621, 1489385381,
-        1489383213, 1489419739, 1489381922, 1489511155, 1489372632, 1489519630, 1489683097, 1489695388,
-        1489817053, 1489814059, 1489958883, 1490111575, 1490111662, 1490111716, 1490111757, 1490112310,
-        1490112397, 1490114274, 1490116047,
-    };
-    int32_t i;
-    if ( locktime <= grandfathered[sizeof(grandfathered)/sizeof(*grandfathered) - 1] )
-    {
-        for (i=0; i<sizeof(grandfathered)/sizeof(*grandfathered); i++)
-            if ( locktime == grandfathered[i] )
-                return(i);
-    }
-    return(-1);
-}
-
-#define KOMODO_GRANDFATHER_TIME (1490155211 + 3600) //(1490114274 + 3600*24)
-*/
-
 bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime,int flags)
 {
     int32_t i;
@@ -746,7 +714,6 @@ bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime,int
     if ( ASSETCHAINS_SYMBOL[0] == 0 && flags == STANDARD_LOCKTIME_VERIFY_FLAGS && (int64_t)tx.nLockTime >= LOCKTIME_THRESHOLD && (int64_t)tx.nLockTime < nBlockTime-3600 )
     {
         if ( nBlockTime > 1490159171 ) // 246748
-        //if ( komodo_grandfathered(tx.nLockTime) < 0 )//&& nBlockTime > KOMODO_GRANDFATHER_TIME )
         {
             fprintf(stderr,"[%d] IsFinalTx reject locktime %u vs nBlockTime %u\n",(int32_t)(tx.nLockTime-nBlockTime),tx.nLockTime,(uint32_t)nBlockTime);
             return(false); // need to prevent pastdating tx
@@ -908,7 +875,6 @@ int32_t komodo_validate_interest(const CTransaction& tx)
         if ( (int64_t)tx.nLockTime < tiptime-3600 )
         {
             if ( tiptime > 1490159171 ) // 246748
-            //if ( komodo_grandfathered(tx.nLockTime) < 0 && tiptime  > KOMODO_GRANDFATHER_TIME )
             {
                 fprintf(stderr,"komodo_validate_interest reject locktime %u/%u vs nBlockTime %u tiptime.%u\n",(uint32_t)tx.nLockTime,locktime,(uint32_t)chainActive.Tip()->nTime,tiptime);
                 return(-1);