diff --git a/src/math.zig b/src/math.zig
deleted file mode 100644
index 66c8cc9..0000000
--- a/src/math.zig
+++ /dev/null
@@ -1,6 +0,0 @@
-///
-/// Rounds the `Number` `value` up to the nearest `multiple`.
-///
-pub fn roundUp(comptime Number: type, value: Number, multiple: Number) Number {
-    return value + @mod(@mod(multiple - value, multiple), multiple);
-}
diff --git a/src/sys.zig b/src/sys.zig
index fa7b1a3..6d6fb4f 100644
--- a/src/sys.zig
+++ b/src/sys.zig
@@ -3,7 +3,6 @@ const ext = @cImport({
 });
 
 const io = @import("./io.zig");
-const math = @import("./math.zig");
 const mem = @import("./mem.zig");
 const meta = @import("./meta.zig");
 const oar = @import("./oar.zig");