diff --git a/postgresql-aarch64-atomic-upgrade.patch b/postgresql-aarch64-atomic-upgrade.patch
deleted file mode 100644
index 7bb5b0e..0000000
--- a/postgresql-aarch64-atomic-upgrade.patch
+++ /dev/null
@@ -1,42 +0,0 @@
-Add support for atomic operations TAS/S_UNLOCK in aarch64
-
-This was already added to upstream 9.3.0+ version but we need to add this into
-pre-upgrade postgresql version (until we are not upgrading also from 9.3.0+).
-
-~> upstream (612ecf311b)
-~> #970661
-
-diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
-index d4a783f..29124b1 100644
---- a/src/include/storage/s_lock.h
-+++ b/src/include/storage/s_lock.h
-@@ -335,6 +335,29 @@ tas(volatile slock_t *lock)
- #endif	 /* __arm__ */
- 
- 
-+/*
-+ * On ARM64, we use __sync_lock_test_and_set(int *, int) if available.
-+ */
-+#if defined(__aarch64__) || defined(__aarch64)
-+#ifdef HAVE_GCC_INT_ATOMICS
-+#define HAS_TEST_AND_SET
-+
-+#define TAS(lock) tas(lock)
-+
-+typedef int slock_t;
-+
-+static __inline__ int
-+tas(volatile slock_t *lock)
-+{
-+	return __sync_lock_test_and_set(lock, 1);
-+}
-+
-+#define S_UNLOCK(lock) __sync_lock_release(lock)
-+
-+#endif	 /* HAVE_GCC_INT_ATOMICS */
-+#endif	 /* __aarch64__ */
-+
-+
- /* S/390 and S/390x Linux (32- and 64-bit zSeries) */
- #if defined(__s390__) || defined(__s390x__)
- #define HAS_TEST_AND_SET