diff --git a/libc/src/__support/File/file.h b/libc/src/__support/File/file.h
index 2299584c3d64e..3c035cdd5fc63 100644
--- a/libc/src/__support/File/file.h
+++ b/libc/src/__support/File/file.h
@@ -203,7 +203,7 @@ class File {
   // Close |f| and cleanup resources held by it.
   // Returns the non-zero error value if an error occurs when closing the
   // file.
-  static constexpr int cleanup(File *f) {
+  static int cleanup(File *f) {
     int close_result = f->close();
     if (close_result != 0)
       return close_result;