diff --git a/lib/std/fifo.zig b/lib/std/fifo.zig
index 0861e19d14..bc88e61d76 100644
--- a/lib/std/fifo.zig
+++ b/lib/std/fifo.zig
@@ -117,8 +117,6 @@ pub fn LinearFifo(
             }
         }
 
-        pub const ensureCapacity = @compileError("deprecated; call `ensureUnusedCapacity` or `ensureTotalCapacity`");
-
         /// Ensure that the buffer can fit at least `size` items
         pub fn ensureTotalCapacity(self: *Self, size: usize) !void {
             if (self.buf.len >= size) return;