diff --git a/misc/openssl-1.1.1f.mingw_onexit.patch b/misc/openssl-1.1.1f.mingw_onexit.patch
deleted file mode 100644
index 6086e4a35..000000000
--- a/misc/openssl-1.1.1f.mingw_onexit.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff --git a/crypto/init.c b/crypto/init.c
-index 9fc0e8e..ad7bf10 100644
---- a/crypto/init.c
-+++ b/crypto/init.c
-@@ -126,6 +126,10 @@ static int win32atexit(void)
- }
- #endif
-
-+/* Work around wrong _onexit() definition of some mingw-w64 versions.
-+ * ld fails to find _onexit reference when --disable-auto-import is set. */
-+__declspec(dllimport) _onexit_t _onexit(_onexit_t);
-+
- DEFINE_RUN_ONCE_STATIC(ossl_init_register_atexit)
- {
- #ifdef OPENSSL_INIT_DEBUG