diff --git a/src/libraries/FullMath.sol b/src/libraries/FullMath.sol
index 42f7747..2e78f62 100644
--- a/src/libraries/FullMath.sol
+++ b/src/libraries/FullMath.sol
@@ -3,10 +3,12 @@ pragma solidity ^0.8.20;
 
 library FullMath {
     function fullMul(uint256 x, uint256 y) private pure returns (uint256 l, uint256 h) {
-        uint256 mm = mulmod(x, y, type(uint256).max);
-        l = x * y;
-        h = mm - l;
-        if (mm < l) h -= 1;
+        unchecked {
+            uint256 mm = mulmod(x, y, type(uint256).max);
+            l = x * y;
+            h = mm - l;
+            if (mm < l) h -= 1;
+        }
     }
 
     function fullDiv(
@@ -14,20 +16,22 @@ library FullMath {
         uint256 h,
         uint256 d
     ) private pure returns (uint256) {
-        uint256 pow2 = d & (~d + 1);
-        d /= pow2;
-        l /= pow2;
-        l += h * ((~pow2 + 1) / pow2 + 1);
-        uint256 r = 1;
-        r *= 2 - d * r;
-        r *= 2 - d * r;
-        r *= 2 - d * r;
-        r *= 2 - d * r;
-        r *= 2 - d * r;
-        r *= 2 - d * r;
-        r *= 2 - d * r;
-        r *= 2 - d * r;
-        return l * r;
+        unchecked {
+            uint256 pow2 = d & (~d + 1);
+            d /= pow2;
+            l /= pow2;
+            l += h * ((~pow2 + 1) / pow2 + 1);
+            uint256 r = 1;
+            r *= 2 - d * r;
+            r *= 2 - d * r;
+            r *= 2 - d * r;
+            r *= 2 - d * r;
+            r *= 2 - d * r;
+            r *= 2 - d * r;
+            r *= 2 - d * r;
+            r *= 2 - d * r;
+            return l * r;
+        }
     }
 
     function mulDiv(
@@ -35,15 +39,19 @@ library FullMath {
         uint256 y,
         uint256 d
     ) internal pure returns (uint256) {
-        (uint256 l, uint256 h) = fullMul(x, y);
+        if (d == 0) revert("FullMath: DIVISION_BY_ZERO");
 
-        uint256 mm = mulmod(x, y, d);
-        if (mm > l) h -= 1;
-        l -= mm;
+        unchecked {
+            (uint256 l, uint256 h) = fullMul(x, y);
+            uint256 mm = mulmod(x, y, d);
 
-        if (h == 0) return l / d;
+            if (mm > l) h -= 1;
+            l -= mm;
 
-        require(h < d, "FullMath: FULLDIV_OVERFLOW");
-        return fullDiv(l, h, d);
+            if (h == 0) return l / d;
+
+            require(h < d, "FullMath: FULLDIV_OVERFLOW");
+            return fullDiv(l, h, d);
+        }
     }
 }