diff --git a/lib/zig.h b/lib/zig.h
index c6df066162..e8329494d4 100644
--- a/lib/zig.h
+++ b/lib/zig.h
@@ -220,8 +220,6 @@ typedef uint8_t  zig_u8;
 typedef  int8_t  zig_i8;
 typedef uint16_t zig_u16;
 typedef  int16_t zig_i16;
-typedef uint16_t zig_u16;
-typedef  int16_t zig_i16;
 typedef uint32_t zig_u32;
 typedef  int32_t zig_i32;
 typedef uint64_t zig_u64;