diff --git a/gc-aarch64.patch b/gc-aarch64.patch
deleted file mode 100644
index 9e4e88f..0000000
--- a/gc-aarch64.patch
+++ /dev/null
@@ -1,69 +0,0 @@
-Index: racket-5.3.5/src/racket/gc/include/private/gcconfig.h
-===================================================================
---- racket-5.3.5.orig/src/racket/gc/include/private/gcconfig.h
-+++ racket-5.3.5/src/racket/gc/include/private/gcconfig.h
-@@ -76,6 +76,13 @@
- # endif
- 
- /* Determine the machine type: */
-+#if defined(__aarch64__)
-+#    define AARCH64
-+#    if !defined(LINUX)
-+#      define NOSYS
-+#      define mach_type_known
-+#    endif
-+# endif
- # if defined(__arm__) || defined(__thumb__)
- #    define ARM32
- #    if !defined(LINUX) && !defined(NETBSD) && !defined(OPENBSD)
-@@ -249,6 +256,10 @@
- #    define IA64
- #    define mach_type_known
- # endif
-+# if defined(LINUX) && defined(__aarch64__)
-+#    define AARCH64
-+#    define mach_type_known
-+# endif
- # if defined(LINUX) && defined(__arm__)
- #    define ARM32
- #    define mach_type_known
-@@ -529,6 +540,7 @@
- 		    /* 			running Amdahl UTS4		*/
-                     /*             S390       ==> 390-like machine      */
- 		    /*                  running LINUX                   */
-+                    /*             AARCH64    ==> ARM AArch64           */
- 		    /* 		   ARM32      ==> Intel StrongARM	*/
- 		    /* 		   IA64	      ==> Intel IPF		*/
- 		    /*				  (e.g. Itanium)	*/
-@@ -1818,6 +1830,31 @@
- #   endif
- # endif
- 
-+# ifdef AARCH64
-+#   define CPP_WORDSZ 64
-+#   define MACH_TYPE "AARCH64"
-+#   define ALIGNMENT 8
-+#   ifndef HBLKSIZE
-+#     define HBLKSIZE 4096
-+#   endif
-+#   ifdef LINUX
-+#     define OS_TYPE "LINUX"
-+#     define LINUX_STACKBOTTOM
-+#     define DYNAMIC_LOADING
-+      extern int __data_start[];
-+#     define DATASTART ((ptr_t)__data_start)
-+      extern char _end[];
-+#     define DATAEND ((ptr_t)(&_end))
-+#   endif
-+#   ifdef NOSYS
-+      /* __data_start is usually defined in the target linker script.   */
-+      extern int __data_start[];
-+#     define DATASTART ((ptr_t)__data_start)
-+      extern void *__stack_base__;
-+#     define STACKBOTTOM ((ptr_t)__stack_base__)
-+#   endif
-+# endif
-+
- # ifdef ARM32
- #   define CPP_WORDSZ 32
- #   define MACH_TYPE "ARM32"
diff --git a/racket.changes b/racket.changes
index 80c5ac5..972de74 100644
--- a/racket.changes
+++ b/racket.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Jun 25 09:43:21 UTC 2018 - schwab@suse.de
+
+- gc-aarch64.patch: remove obsolete patch, this GC implementation is no
+  longer used.
+
 -------------------------------------------------------------------
 Wed Dec 27 08:46:28 UTC 2017 - kgronlund@suse.com
 
@@ -25,7 +31,6 @@ Sun Sep 24 21:10:21 UTC 2017 - olszewst@gmail.com
   * Drop DrRacket's -singleInstance option from %suse_update_desktop_file. This
     option caused error messages coming from %suse_update_desktop_file itself.
 
-
 -------------------------------------------------------------------
 Sat Mar 11 22:37:03 UTC 2017 - sfalken@opensuse.org
 
diff --git a/racket.spec b/racket.spec
index 1b44731..cf54511 100644
--- a/racket.spec
+++ b/racket.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package racket
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 # Copyright (c) 2012, 2013 Togan Muftuoglu toganm@opensuse.org
 #
 # All modifications and additions to the file contributed by third parties
@@ -21,14 +21,12 @@ Name:           racket
 Version:        6.11
 Release:        0
 Summary:        Scheme implementation with teaching tools
-License:        LGPL-2.1+ and GPL-3.0+
+License:        LGPL-2.1-or-later AND GPL-3.0-or-later
 Group:          Development/Languages/Scheme
 Url:            http://racket-lang.org
 Source0:        http://download.racket-lang.org/installers/%version/%name-%version-src.tgz
 Source2:        racket-completion.bash
 Source3:        racket-6.10.1.rpmlintrc
-# PATCH-FIX-UPSTREAM aarch64 support for gc
-Patch1:         gc-aarch64.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  ImageMagick
 BuildRequires:  chrpath
@@ -97,7 +95,6 @@ compile and link programs which use Racket.
 
 %prep
 %setup -q
-%patch1 -p1
 
 cp %{S:2} src/.