diff --git a/build.zig b/build.zig
index 039ebe29e6dc3110555da0db2bc84f0a42a813fe..5ff99b4f77acea3517b9460a4e7557f7724fdda3 100644
--- a/build.zig
+++ b/build.zig
@@ -5,24 +5,6 @@ pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
     const mode = b.option(std.builtin.Mode, "mode", "") orelse .Debug;
 
-    const exe = b.addExecutable(.{
-        .name = "zig-ulid",
-        .root_source_file = .{ .path = "main.zig" },
-        .target = target,
-        .optimize = mode,
-    });
-    deps.addAllTo(exe);
-    b.installArtifact(exe);
-
-    const run_cmd = b.addRunArtifact(exe);
-    run_cmd.step.dependOn(b.getInstallStep());
-    if (b.args) |args| {
-        run_cmd.addArgs(args);
-    }
-
-    const run_step = b.step("run", "Run the app");
-    run_step.dependOn(&run_cmd.step);
-
     const tests = b.addTest(.{
         .root_source_file = b.path("./test.zig"),
         .target = target,
diff --git a/main.zig b/main.zig
deleted file mode 100644
index faf1b91f69117c2ad13b78b5656ab5cd945959df..0000000000000000000000000000000000000000
--- a/main.zig
+++ /dev/null
@@ -1,32 +0,0 @@
-const std = @import("std");
-const string = []const u8;
-const ulid = @import("ulid");
-
-pub fn main() anyerror!void {
-    std.log.info("All your codebase are belong to us.", .{});
-
-    try ensureFromTo("001HX7QW7K2PP61CS28B4YF00X");
-    try ensureFromTo("0015KMZ1NDDFP4WRWSVA31N0CD");
-    try ensureFromTo("0015MFYM13K180VCNCACTFRJAB");
-    try ensureFromTo("0015RMHR0WVSCBE4CJWKPCC4GJ");
-    try ensureFromTo("0017NSY29QD0YYPB0H0W5GQJQX");
-    try ensureFromTo("0017TZRGVZYHK9C26FK5AP3HTG");
-    try ensureFromTo("0017Y302CVXHJABSPHNNEBE0R7");
-    try ensureFromTo("00183KTME6PJZ773Q9A1BWFJ3X");
-    try ensureFromTo("0018ZPQ92P0NDDKNVB3PBW7D18");
-    try ensureFromTo("00193A6YMTQR01XTY757XRRJKE");
-    try ensureFromTo("0019ABB5M0YK71B4ATA90A8F81");
-    try ensureFromTo("0019GFR7YK5HNTFPS2BAQNG0PX");
-    try ensureFromTo("001A2YPKW942R97BXRAJG2BD7S");
-    try ensureFromTo("001C38D808VW1EG3JS6XJHT4EQ");
-    try ensureFromTo("001C9DSQ8SC6SVEVHFK09XBFTC");
-    try ensureFromTo("001DEJXKVPDV7BZT1Q80ZEN2PF");
-    try ensureFromTo("001F1Z79BCKADWYPDCMZ8B8G0G");
-}
-
-fn ensureFromTo(before: string) !void {
-    const alloc = std.heap.page_allocator;
-    const ul = try ulid.ULID.parse(alloc, before);
-    const after = try ul.toString(alloc);
-    try std.testing.expectEqualStrings(before, after);
-}