diff --git a/BRANCH_TODO b/BRANCH_TODO
deleted file mode 100644
index c6b3c8d8b3e8badd50c0891351d9d0ebc7036fa0..0000000000000000000000000000000000000000
--- a/BRANCH_TODO
+++ /dev/null
@@ -1,3 +0,0 @@
- * wasi behavior tests failing
- * go ahead and use allocSentinel now that the stage1 bug is fixed
- * audit the base cache hash
diff --git a/lib/std/mem/Allocator.zig b/lib/std/mem/Allocator.zig
index 326a73b915af8a6af41fc3160561be61ce148898..4511acb27502ab1b31ffd094829df2ac9ab1cd27 100644
--- a/lib/std/mem/Allocator.zig
+++ b/lib/std/mem/Allocator.zig
@@ -231,8 +231,6 @@ fn AllocWithOptionsPayload(comptime Elem: type, comptime alignment: ?u29, compti
 /// call `free` when done.
 ///
 /// For allocating a single item, see `create`.
-///
-/// Deprecated; use `allocWithOptions`.
 pub fn allocSentinel(
     self: *Allocator,
     comptime Elem: type,
diff --git a/src/link/Coff.zig b/src/link/Coff.zig
index 0356a327baa11c56446af3a562276f7ba38f560b..424ece511bab185133e5a2c2dea8617de0e32b9d 100644
--- a/src/link/Coff.zig
+++ b/src/link/Coff.zig
@@ -1118,9 +1118,7 @@ fn linkWithLLD(self: *Coff, comp: *Compilation) !void {
         Compilation.dump_argv(argv.items);
     }
 
-    const new_argv_with_sentinel = try arena.alloc(?[*:0]const u8, argv.items.len + 1);
-    new_argv_with_sentinel[argv.items.len] = null;
-    const new_argv = new_argv_with_sentinel[0..argv.items.len :null];
+    const new_argv = try arena.allocSentinel(?[*:0]const u8, argv.items.len, null);
     for (argv.items) |arg, i| {
         new_argv[i] = try arena.dupeZ(u8, arg);
     }
diff --git a/src/link/Elf.zig b/src/link/Elf.zig
index dc664b14be7a47f496ce394dd333616593ae8375..38b9b1acca1f2616e0e6e6541fbcc5abeb3a33e5 100644
--- a/src/link/Elf.zig
+++ b/src/link/Elf.zig
@@ -1589,10 +1589,7 @@ fn linkWithLLD(self: *Elf, comp: *Compilation) !void {
     }
 
     // Oh, snapplesauce! We need null terminated argv.
-    // TODO allocSentinel crashed stage1 so this is working around it.
-    const new_argv_with_sentinel = try arena.alloc(?[*:0]const u8, argv.items.len + 1);
-    new_argv_with_sentinel[argv.items.len] = null;
-    const new_argv = new_argv_with_sentinel[0..argv.items.len: null];
+    const new_argv = try arena.allocSentinel(?[*:0]const u8, argv.items.len, null);
     for (argv.items) |arg, i| {
         new_argv[i] = try arena.dupeZ(u8, arg);
     }
diff --git a/src/link/MachO.zig b/src/link/MachO.zig
index 146f2616c22927c2c8c6b3bc6f525c040eac6268..2570a92daa0eadaff0cfa7e368c6f87422d80b48 100644
--- a/src/link/MachO.zig
+++ b/src/link/MachO.zig
@@ -567,10 +567,7 @@ fn linkWithLLD(self: *MachO, comp: *Compilation) !void {
         Compilation.dump_argv(argv.items);
     }
 
-    // TODO allocSentinel crashed stage1 so this is working around it.
-    const new_argv_with_sentinel = try arena.alloc(?[*:0]const u8, argv.items.len + 1);
-    new_argv_with_sentinel[argv.items.len] = null;
-    const new_argv = new_argv_with_sentinel[0..argv.items.len :null];
+    const new_argv = try arena.allocSentinel(?[*:0]const u8, argv.items.len, null);
     for (argv.items) |arg, i| {
         new_argv[i] = try arena.dupeZ(u8, arg);
     }
diff --git a/src/link/Wasm.zig b/src/link/Wasm.zig
index 509544c94fbf39fe41455da821918f62bd1178ad..3f879a3b3234e0c6bfe60d6a93abcfe4e1fca12f 100644
--- a/src/link/Wasm.zig
+++ b/src/link/Wasm.zig
@@ -385,10 +385,7 @@ fn linkWithLLD(self: *Wasm, comp: *Compilation) !void {
         Compilation.dump_argv(argv.items);
     }
 
-    // TODO allocSentinel crashed stage1 so this is working around it.
-    const new_argv_with_sentinel = try arena.alloc(?[*:0]const u8, argv.items.len + 1);
-    new_argv_with_sentinel[argv.items.len] = null;
-    const new_argv = new_argv_with_sentinel[0..argv.items.len :null];
+    const new_argv = try arena.allocSentinel(?[*:0]const u8, argv.items.len, null);
     for (argv.items) |arg, i| {
         new_argv[i] = try arena.dupeZ(u8, arg);
     }