From 3409fe8241381fb14fae386b496099790d088a8a Mon Sep 17 00:00:00 2001
From: patrick <patrick@morpho.xyz>
Date: Mon, 12 Dec 2022 17:32:03 -0500
Subject: [PATCH] Implement comments

---
 src/aave-v2/MorphoUtils.sol   | 12 +-----------
 test/aave-v2/TestBorrow.t.sol | 17 -----------------
 2 files changed, 1 insertion(+), 28 deletions(-)

diff --git a/src/aave-v2/MorphoUtils.sol b/src/aave-v2/MorphoUtils.sol
index ffb4a6b162..9cc75cf034 100644
--- a/src/aave-v2/MorphoUtils.sol
+++ b/src/aave-v2/MorphoUtils.sol
@@ -256,9 +256,6 @@ abstract contract MorphoUtils is MorphoStorage {
         Types.AssetLiquidityData memory assetData;
         Types.LiquidityStackVars memory vars;
 
-        DataTypes.UserConfigurationMap memory morphoPoolConfig = pool.getUserConfiguration(
-            address(this)
-        );
         vars.poolTokensLength = marketsCreated.length;
         vars.userMarkets = userMarkets[_user];
 
@@ -273,18 +270,11 @@ abstract contract MorphoUtils is MorphoStorage {
 
             if (vars.poolToken != _poolToken) _updateIndexes(vars.poolToken);
 
+            // An assumption is made here that Morpho has set this asset as collateral in the underlying pool.
             (assetData.ltv, assetData.liquidationThreshold, , assetData.decimals, ) = pool
             .getConfiguration(vars.underlyingToken)
             .getParamsMemory();
 
-            // LTV and liquidation threshold should be zero if Morpho has not enabled this asset as collateral.
-            if (
-                !morphoPoolConfig.isUsingAsCollateral(pool.getReserveData(vars.underlyingToken).id)
-            ) {
-                assetData.ltv = 0;
-                assetData.liquidationThreshold = 0;
-            }
-
             unchecked {
                 assetData.tokenUnit = 10**assetData.decimals;
             }
diff --git a/test/aave-v2/TestBorrow.t.sol b/test/aave-v2/TestBorrow.t.sol
index 6dea58d11d..fc56b15f35 100644
--- a/test/aave-v2/TestBorrow.t.sol
+++ b/test/aave-v2/TestBorrow.t.sol
@@ -247,23 +247,6 @@ contract TestBorrow is TestSetup {
         borrower1.borrow(aUsdc, amount);
     }
 
-    function testShouldNotBorrowWithDisabledCollateral() public {
-        uint256 amount = 100 ether;
-
-        borrower1.approve(dai, type(uint256).max);
-        borrower1.supply(aDai, amount * 10);
-
-        // Give Morpho a position on the pool to be able to unset the DAI asset as collateral.
-        // Without this position on the pool, it's not possible to do so.
-        supplier1.approve(usdc, to6Decimals(amount));
-        supplier1.supply(aUsdc, to6Decimals(amount));
-
-        morpho.setAssetAsCollateral(aDai, false);
-
-        hevm.expectRevert(EntryPositionsManager.UnauthorisedBorrow.selector);
-        borrower1.borrow(aUsdc, to6Decimals(amount));
-    }
-
     function testBorrowLargerThanDeltaShouldClearDelta() public {
         // Allows only 10 unmatch suppliers.