if (_tokenX != _LBPair.tokenX()) {
            (_tokenX, _tokenY) = (_tokenY, _tokenX);
            (_amountXMin, _amountYMin) = (_amountYMin, _amountXMin);
}
(amountX, amountY) = _removeLiquidity(_LBPair, _amountXMin, _amountYMin, _ids, _amounts, _to);
(uint256 amountAReceived, uint256 amountBReceived) = LBRouter.removeLiquidity(address(tokenA), address(tokenB), ...);
contractBalanceA += amountAReceived;
contractBalanceB += amountBReceived;
--- a/test/LBRouter.Liquidity.t.sol
+++ b/test/LBRouter.Liquidity.t.sol
@@ -57,7 +57,9 @@ contract LiquidityBinRouterTest is TestHelper {
 
         pair.setApprovalForAll(address(router), true);
 
-        router.removeLiquidity(
+        uint256 token6BalBef = token6D.balanceOf(DEV);
+        uint256 token18BalBef = token18D.balanceOf(DEV);
+        (uint256 amountFirstRet, uint256 amountSecondRet) = router.removeLiquidity(
             token6D,
             token18D,
             DEFAULT_BIN_STEP,
@@ -70,7 +72,9 @@ contract LiquidityBinRouterTest is TestHelper {
         );
 
         assertEq(token6D.balanceOf(DEV), amountXIn);
+        assertEq(amountXIn, token6BalBef + amountFirstRet);
         assertEq(token18D.balanceOf(DEV), _amountYIn);
+        assertEq(_amountYIn, token18BalBef + amountSecondRet);
     }
 
     function testRemoveLiquidityReverseOrder() public {
--- a/test/LBRouter.Liquidity.t.sol
+++ b/test/LBRouter.Liquidity.t.sol
@@ -57,12 +57,14 @@ contract LiquidityBinRouterTest is TestHelper {
 
         pair.setApprovalForAll(address(router), true);
 
-        router.removeLiquidity(
-            token6D,
+        uint256 token6BalBef = token6D.balanceOf(DEV);
+        uint256 token18BalBef = token18D.balanceOf(DEV);
+        (uint256 amountFirstRet, uint256 amountSecondRet) = router.removeLiquidity(
             token18D,
+            token6D,
             DEFAULT_BIN_STEP,
-            totalXbalance,
             totalYBalance,
+            totalXbalance,
             ids,
             amounts,
             DEV,
@@ -70,7 +72,9 @@ contract LiquidityBinRouterTest is TestHelper {
         );
 
         assertEq(token6D.balanceOf(DEV), amountXIn);
+        assertEq(amountXIn, token6BalBef + amountSecondRet);
         assertEq(token18D.balanceOf(DEV), _amountYIn);
+        assertEq(_amountYIn, token18BalBef + amountFirstRet);
     }
 
     function testRemoveLiquidityReverseOrder() public {
if (_tokenX != _LBPair.tokenX()) {
	return (amountY, amountX);
}
