diff --git a/include/bits/wchar.h b/include/bits/wchar.h
deleted file mode 100644
index e271c72b32..0000000000
--- a/include/bits/wchar.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#ifndef _BITS_WCHAR_H
-#define _BITS_WCHAR_H
-
-// int32_t, uint32_t, WCHAR_MIN, WCHAR_MAX
-#include <stdint.h>
-
-#ifndef _WCHAR_T
-#define _WCHAR_T
-#ifndef __cplusplus
-    #ifndef __WCHAR_TYPE__
-        #define __WCHAR_TYPE__ int32_t
-    #endif
-    typedef __WCHAR_TYPE__ wchar_t;
-#endif // __cplusplus
-#endif // _WCHAR_T
-
-#ifndef _WINT_T
-#define _WINT_T
-    #ifndef __WINT_TYPE__
-        #define __WINT_TYPE__ uint32_t
-    #endif
-    typedef __WINT_TYPE__ wint_t;
-#endif // _WINT_T
-
-// NULL, size_t, must come after wchar_t and wint_t
-#define __need_size_t
-#define __need_NULL
-#include <stddef.h>
-
-#define WEOF (0xffffffffu)
-
-#endif /* _BITS_WCHAR_H */
diff --git a/src/header/inttypes/cbindgen.toml b/src/header/inttypes/cbindgen.toml
index 28710c9e1c..c584d5a909 100644
--- a/src/header/inttypes/cbindgen.toml
+++ b/src/header/inttypes/cbindgen.toml
@@ -4,8 +4,8 @@
 # - "The <inttypes.h> header shall include the <stdint.h> header."
 # - "wchar_t As described in <stddef.h>."
 #
-# bits/wchar.h brings in both stdint.h and stddef.h
-sys_includes = ["bits/wchar.h"]
+# wchar.h brings in both stdint.h and stddef.h
+sys_includes = ["wchar.h"]
 include_guard = "_RELIBC_INTTYPES_H"
 trailer = "#include <bits/inttypes.h>"
 language = "C"
diff --git a/src/header/wchar/cbindgen.toml b/src/header/wchar/cbindgen.toml
index 4a37b7e3d8..a31881baad 100644
--- a/src/header/wchar/cbindgen.toml
+++ b/src/header/wchar/cbindgen.toml
@@ -1,11 +1,37 @@
 sys_includes = [
-    "stddef.h",
-    "stdint.h",
     "stdio.h",
     "time.h",
-    "bits/wchar.h",
     "features.h",
 ]
+after_includes = """
+// int32_t, uint32_t, WCHAR_MIN, WCHAR_MAX
+#include <stdint.h>
+
+#ifndef _WCHAR_T
+#define _WCHAR_T
+#ifndef __cplusplus
+    #ifndef __WCHAR_TYPE__
+        #define __WCHAR_TYPE__ int32_t
+    #endif
+    typedef __WCHAR_TYPE__ wchar_t;
+#endif // __cplusplus
+#endif // _WCHAR_T
+
+#ifndef _WINT_T
+#define _WINT_T
+    #ifndef __WINT_TYPE__
+        #define __WINT_TYPE__ uint32_t
+    #endif
+    typedef __WINT_TYPE__ wint_t;
+#endif // _WINT_T
+
+// NULL, size_t, must come after wchar_t and wint_t
+#define __need_size_t
+#define __need_NULL
+#include <stddef.h>
+
+#define WEOF (0xffffffffu)
+"""
 include_guard = "_RELIBC_WCHAR_H"
 language = "C"
 style = "Type"