diff --git a/lib/std/tz.zig b/lib/std/tz.zig
index cea845e148..76eb3b06fc 100644
--- a/lib/std/tz.zig
+++ b/lib/std/tz.zig
@@ -11,7 +11,7 @@ pub const Timetype = struct {
     flags: u8,
     name_data: [6:0]u8,
 
-    pub fn name(self: Timetype) [:0]const u8 {
+    pub fn name(self: *const Timetype) [:0]const u8 {
         return std.mem.sliceTo(self.name_data[0..], 0);
     }
 
@@ -214,7 +214,6 @@ pub const Tz = struct {
 };
 
 test "slim" {
-    if (@import("builtin").zig_backend != .stage1) return error.SkipZigTest; // TODO
     const data = @embedFile("tz/asia_tokyo.tzif");
     var in_stream = std.io.fixedBufferStream(data);
 
@@ -228,7 +227,6 @@ test "slim" {
 }
 
 test "fat" {
-    if (@import("builtin").zig_backend != .stage1) return error.SkipZigTest; // TODO
     const data = @embedFile("tz/antarctica_davis.tzif");
     var in_stream = std.io.fixedBufferStream(data);
 
@@ -241,7 +239,6 @@ test "fat" {
 }
 
 test "legacy" {
-    if (@import("builtin").zig_backend != .stage1) return error.SkipZigTest; // TODO
     // Taken from Slackware 8.0, from 2001
     const data = @embedFile("tz/europe_vatican.tzif");
     var in_stream = std.io.fixedBufferStream(data);