diff --git a/src/build/UnicodeTables.zig b/src/build/UnicodeTables.zig
index 0159de442..7a4b0a5a2 100644
--- a/src/build/UnicodeTables.zig
+++ b/src/build/UnicodeTables.zig
@@ -15,7 +15,6 @@ pub fn init(b: *std.Build) !UnicodeTables {
         .root_source_file = b.path("src/unicode/props.zig"),
         .target = b.host,
     });
-    exe.linkLibC();
 
     const ziglyph_dep = b.dependency("ziglyph", .{
         .target = b.host,
diff --git a/src/unicode/props.zig b/src/unicode/props.zig
index d77bf4c8a..8c7621b79 100644
--- a/src/unicode/props.zig
+++ b/src/unicode/props.zig
@@ -131,7 +131,9 @@ pub fn get(cp: u21) Properties {
 
 /// Runnable binary to generate the lookup tables and output to stdout.
 pub fn main() !void {
-    const alloc = std.heap.c_allocator;
+    var arena_state = std.heap.ArenaAllocator.init(std.heap.page_allocator);
+    defer arena_state.deinit();
+    const alloc = arena_state.allocator();
 
     const gen: lut.Generator(
         Properties,