diff --git a/src/addSentinel.zig b/src/addSentinel.zig
deleted file mode 100644
index be595aab5d0a04681484eb14e488385778947e63..0000000000000000000000000000000000000000
--- a/src/addSentinel.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-const std = @import("std");
-const string = []const u8;
-const extras = @import("./lib.zig");
-
-pub fn addSentinel(alloc: std.mem.Allocator, comptime T: type, input: []const T, comptime sentinel: T) ![:sentinel]const T {
-    var list = try std.ArrayList(T).initCapacity(alloc, input.len + 1);
-    try list.appendSlice(input);
-    try list.append(sentinel);
-    const str = list.toOwnedSlice();
-    return str[0 .. str.len - 1 :sentinel];
-}
diff --git a/src/lib.zig b/src/lib.zig
index 2a910dfb52c4790755e53463e206bcbf18caeb16..a5de6d29cadf24c7e2b890d528509eae6a419279 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -6,7 +6,6 @@ const builtin = @import("builtin");
 
 pub usingnamespace @import("./reduceNumber.zig");
 pub usingnamespace @import("./fmtByteCountIEC.zig");
-pub usingnamespace @import("./addSentinel.zig");
 pub usingnamespace @import("./randomSlice.zig");
 pub usingnamespace @import("./trimPrefix.zig");
 pub usingnamespace @import("./trimPrefixEnsure.zig");