diff --git a/examples/advent2024/day4_common.carbon b/examples/advent2024/day4_common.carbon
index 40dee6279046..3911882cea1e 100644
--- a/examples/advent2024/day4_common.carbon
+++ b/examples/advent2024/day4_common.carbon
@@ -26,7 +26,7 @@ class Wordsearch {
   }
 
   fn At[self: Self](x: i32, y: i32) -> i32 {
-    return if x < 0 or x >= 140 or y < 0 or y >= 140 then -(1 as i32) else self.grid[x][y];
+    return if x < 0 or x >= 140 or y < 0 or y >= 140 then -1 else self.grid[x][y];
   }
 
   // TODO: Make this generic in the length of the search query.
diff --git a/examples/advent2024/day4_part1.carbon b/examples/advent2024/day4_part1.carbon
index c530e368c7be..15642e30e35e 100644
--- a/examples/advent2024/day4_part1.carbon
+++ b/examples/advent2024/day4_part1.carbon
@@ -17,9 +17,9 @@ fn Run() {
   while (y < 140) {
     var x: i32 = 0;
     while (x < 140) {
-      var dy: i32 = -(1 as i32);
+      var dy: i32 = -1;
       while (dy <= 1) {
-        var dx: i32 = -(1 as i32);
+        var dx: i32 = -1;
         while (dx <= 1) {
           if (search.Check4(xmas, x, y, dx, dy)) {
             ++found;
diff --git a/examples/advent2024/day4_part2.carbon b/examples/advent2024/day4_part2.carbon
index 18cb509f7453..94fc8b8837a5 100644
--- a/examples/advent2024/day4_part2.carbon
+++ b/examples/advent2024/day4_part2.carbon
@@ -18,9 +18,9 @@ fn Run() {
     var x: i32 = 1;
     while (x < 139) {
       if ((search.Check3(mas, x - 1, y - 1, 1, 1) or
-           search.Check3(mas, x + 1, y + 1, -(1 as i32), -(1 as i32))) and
-          (search.Check3(mas, x - 1, y + 1, 1, -(1 as i32)) or
-           search.Check3(mas, x + 1, y - 1, -(1 as i32), 1))) {
+           search.Check3(mas, x + 1, y + 1, -1, -1)) and
+          (search.Check3(mas, x - 1, y + 1, 1, -1) or
+           search.Check3(mas, x + 1, y - 1, -1, 1))) {
         ++found;
       }
       ++x;