diff --git a/testpaymailcoin.sol b/testpaymailcoin.sol
index 3a90a77..43dae8b 100644
--- a/testpaymailcoin.sol
+++ b/testpaymailcoin.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.4.18;
+pragma solidity 0.4.24;
 
 /**
  * @title Ownable
@@ -388,48 +388,18 @@ contract NoOwner is HasNoEther, HasNoTokens, HasNoContracts {
 }
 
 
-contract NAGACoin is MintableToken, NoOwner {
-    string public constant name = "NAGA Coin";
-    string public constant symbol = "NGC";
+contract TestPayMailCoin is MintableToken, NoOwner {
+    string public constant name = "Test PM Coin";
+    string public constant symbol = "TPMC";
     uint8 public constant decimals = 18;
 
-    mapping (address => uint256) public releaseTimes;
-
-    function mintWithTimeLock(address _to, uint256 _amount, uint256 _releaseTime) public returns (bool) {
-        if (_releaseTime > releaseTimes[_to]) {
-            releaseTimes[_to] = _releaseTime;
-        }
-
-        return mint(_to, _amount);
-    }
 
     function transfer(address _to, uint256 _value) public returns (bool) {
-        // Transfer of time-locked funds is forbidden
-        require(!timeLocked(msg.sender));
-
         return super.transfer(_to, _value);
     }
 
     function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
-        // Transfer of time-locked funds is forbidden
-        require(!timeLocked(_from));
-
         return super.transferFrom(_from, _to, _value);
     }
 
-    // Checks if funds of a given address are time-locked
-    function timeLocked(address _spender) public returns (bool) {
-        if (releaseTimes[_spender] == 0) {
-            return false;
-        }
-
-        // If time-lock is expired, delete it
-        // We consider timestamp dependency to be safe enough in this application
-        if (releaseTimes[_spender] <= block.timestamp) {
-            delete releaseTimes[_spender];
-            return false;
-        }
-
-        return true;
-    }
 }