1 files changed, 7 insertions, 8 deletions
diff --git a/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol b/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol
index 8cbb8e526..4413244db 100644
--- a/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol
+++ b/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol
@@ -1,28 +1,27 @@
 pragma solidity 0.4.24;
-pragma experimental ABIEncoderV2;
 
 
 contract SafeMath {
-    function safeMul(uint a, uint b)
+    function safeMul(uint256 a, uint256 b)
         internal
         pure
         returns (uint256)
     {
-        uint c = a * b;
+        uint256 c = a * b;
         assert(a == 0 || c / a == b);
         return c;
     }
 
-    function safeDiv(uint a, uint b)
+    function safeDiv(uint256 a, uint256 b)
         internal
         pure
         returns (uint256)
     {
-        uint c = a / b;
+        uint256 c = a / b;
         return c;
     }
 
-    function safeSub(uint a, uint b)
+    function safeSub(uint256 a, uint256 b)
         internal
         pure
         returns (uint256)
@@ -31,12 +30,12 @@ contract SafeMath {
         return a - b;
     }
 
-    function safeAdd(uint a, uint b)
+    function safeAdd(uint256 a, uint256 b)
         internal
         pure
         returns (uint256)
     {
-        uint c = a + b;
+        uint256 c = a + b;
         assert(c >= a);
         return c;
     }