diff --git a/lib/std/Io/Threaded.zig b/lib/std/Io/Threaded.zig
index 9cac2f12a41052cbfe347feeafd3954a1e4983b9..7b0541f2b17ed7b991ba8cdb9f92dcf872660060 100644
--- a/lib/std/Io/Threaded.zig
+++ b/lib/std/Io/Threaded.zig
@@ -13851,7 +13851,7 @@ fn netLookupFallible(
         const name_c = name_buffer[0..name.len :0];
 
         var port_buffer: [8]u8 = undefined;
-        const port_c = std.fmt.bufPrintZ(&port_buffer, "{d}", .{options.port}) catch unreachable;
+        const port_c = std.fmt.bufPrintSentinel(&port_buffer, "{d}", .{options.port}, 0) catch unreachable;
 
         const hints: posix.addrinfo = .{
             .flags = .{ .CANONNAME = options.canonical_name_buffer != null, .NUMERICSERV = true },
diff --git a/lib/std/fmt.zig b/lib/std/fmt.zig
index 1fccc065ded47eae0a743b9d43d98106e6314a40..b6b58ed747a691ca7d89b1f3b3b5ed3714932cfc 100644
--- a/lib/std/fmt.zig
+++ b/lib/std/fmt.zig
@@ -602,11 +602,6 @@ pub fn bufPrint(buf: []u8, comptime fmt: []const u8, args: anytype) BufPrintErro
     return w.buffered();
 }
 
-/// Deprecated in favor of `bufPrintSentinel`
-pub fn bufPrintZ(buf: []u8, comptime fmt: []const u8, args: anytype) BufPrintError![:0]u8 {
-    return try bufPrintSentinel(buf, fmt, args, 0);
-}
-
 pub fn bufPrintSentinel(
     buf: []u8,
     comptime fmt: []const u8,