diff --git a/dovecot-2.3.0.1-libxcrypt.patch b/dovecot-2.3.0.1-libxcrypt.patch
deleted file mode 100644
index a8c33bf..0000000
--- a/dovecot-2.3.0.1-libxcrypt.patch
+++ /dev/null
@@ -1,11 +0,0 @@
-diff -up dovecot-2.3.0.1/src/auth/mycrypt.c.libxcrypt dovecot-2.3.0.1/src/auth/mycrypt.c
---- dovecot-2.3.0.1/src/auth/mycrypt.c.libxcrypt       2018-02-28 15:28:58.000000000 +0100
-+++ dovecot-2.3.0.1/src/auth/mycrypt.c 2018-03-27 10:57:38.447769201 +0200
-@@ -14,6 +14,7 @@
- #  define _XPG6 /* Some Solaris versions require this, some break with this */
- #endif
- #include <unistd.h>
-+#include <crypt.h>
- 
- #include "mycrypt.h"
- 
diff --git a/dovecot.spec b/dovecot.spec
index 70caea7..38ecf3a 100644
--- a/dovecot.spec
+++ b/dovecot.spec
@@ -34,7 +34,6 @@ Patch6: dovecot-2.1.10-waitonline.patch
 
 Patch8: dovecot-2.2.20-initbysystemd.patch
 Patch9: dovecot-2.2.22-systemd_w_protectsystem.patch
-Patch10: dovecot-2.3.0.1-libxcrypt.patch
 Patch15: dovecot-2.3.11-bigkey.patch
 
 # do not use own implementation of HMAC, use OpenSSL for certification purposes