diff --git a/HISTORY.rst b/HISTORY.rst
index 2428f033a..6b2a23f79 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -41,10 +41,10 @@ XXXX-XX-XX
 - 1439_: [NetBSD] Process.connections() may return incomplete results if using
   oneshot()
 
-**API changes**
+**Incompatible API changes**
 
-- 1291_: [OSX] Process.memory_maps() is deprecated and will always raise
-  AccessDenied. It will be removed in psutil 6.0.0.
+- 1291_: [OSX] Process.memory_maps() was removed because inherently broken
+  (segfault) for years.
 
 5.5.1
 =====
diff --git a/docs/index.rst b/docs/index.rst
index 6d464c854..73a81cdbf 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1708,14 +1708,9 @@ Process class
 
     Availability: Linux, Windows, FreeBSD, SunOS
 
-    .. warning::
-      on macOS, starting from version 5.6.0, this function is deprecated and
-      will always raise :class:`psutil.AccessDenied`. It is scheduled for
-      removal in 6.0.0
-      (see `issue 1020 <https://github.com/giampaolo/psutil/issues/1291#issuecomment-467828376>`_).
-
     .. versionchanged::
-      5.6.0 deprecated on macOS, always raise AccessDenied
+      5.6.0 removed macOS support because inherently broken (see
+      issue `#1291 <https://github.com/giampaolo/psutil/issues/1291>`__)
 
   .. method:: children(recursive=False)
 
diff --git a/psutil/_psosx.py b/psutil/_psosx.py
index 78f710aa3..20c05612a 100644
--- a/psutil/_psosx.py
+++ b/psutil/_psosx.py
@@ -8,7 +8,6 @@
 import errno
 import functools
 import os
-import warnings
 from socket import AF_INET
 from collections import namedtuple
 
@@ -575,8 +574,3 @@ def threads(self):
             ntuple = _common.pthread(thread_id, utime, stime)
             retlist.append(ntuple)
         return retlist
-
-    def memory_maps(self):
-        msg = "memory_maps() on OSX is deprecated and will be removed in 6.0.0"
-        warnings.warn(msg, category=DeprecationWarning, stacklevel=2)
-        raise AccessDenied(self.pid, msg=msg)
diff --git a/psutil/tests/__init__.py b/psutil/tests/__init__.py
index 86af2cfb5..545f5f251 100644
--- a/psutil/tests/__init__.py
+++ b/psutil/tests/__init__.py
@@ -167,7 +167,7 @@
 HAS_PROC_IO_COUNTERS = hasattr(psutil.Process, "io_counters")
 HAS_IONICE = hasattr(psutil.Process, "ionice")
 HAS_MEMORY_FULL_INFO = 'uss' in psutil.Process().memory_full_info()._fields
-HAS_MEMORY_MAPS = not MACOS and hasattr(psutil.Process, "memory_maps")
+HAS_MEMORY_MAPS = hasattr(psutil.Process, "memory_maps")
 HAS_PROC_CPU_NUM = hasattr(psutil.Process, "cpu_num")
 HAS_RLIMIT = hasattr(psutil.Process, "rlimit")
 HAS_THREADS = hasattr(psutil.Process, "threads")
diff --git a/psutil/tests/test_contracts.py b/psutil/tests/test_contracts.py
index 97a1a0f06..1f02156f3 100755
--- a/psutil/tests/test_contracts.py
+++ b/psutil/tests/test_contracts.py
@@ -167,7 +167,8 @@ def test_proc_cpu_num(self):
 
     def test_proc_memory_maps(self):
         hasit = hasattr(psutil.Process, "memory_maps")
-        self.assertEqual(hasit, False if OPENBSD or NETBSD or AIX else True)
+        self.assertEqual(
+            hasit, False if OPENBSD or NETBSD or AIX or MACOS else True)
 
 
 # ===================================================================
@@ -185,14 +186,6 @@ def test_memory_info_ex(self):
         self.assertIn("memory_info_ex() is deprecated", str(w.message))
         self.assertIn("use memory_info() instead", str(w.message))
 
-    @unittest.skipIf(not MACOS, "deprecated on macOS")
-    def test_memory_maps_osx(self):
-        with warnings.catch_warnings(record=True) as ws:
-            with self.assertRaises(psutil.AccessDenied):
-                psutil.Process().memory_maps()
-        w = ws[0]
-        self.assertIsInstance(w.category(), DeprecationWarning)
-
 
 # ===================================================================
 # --- System API types
diff --git a/psutil/tests/test_memory_leaks.py b/psutil/tests/test_memory_leaks.py
index 161285716..07d7f0680 100755
--- a/psutil/tests/test_memory_leaks.py
+++ b/psutil/tests/test_memory_leaks.py
@@ -344,8 +344,6 @@ def test_open_files(self):
         with open(TESTFN, 'w'):
             self.execute(self.proc.open_files)
 
-    # MACOS implementation is unbelievably slow
-    @unittest.skipIf(MACOS, "too slow on MACOS")
     @unittest.skipIf(not HAS_MEMORY_MAPS, "not supported")
     @skip_if_linux()
     def test_memory_maps(self):
diff --git a/psutil/tests/test_process.py b/psutil/tests/test_process.py
index 31f42ebaa..2af676ba9 100755
--- a/psutil/tests/test_process.py
+++ b/psutil/tests/test_process.py
@@ -1291,8 +1291,6 @@ def test_halfway_terminated_process(self):
                     ret = meth([0])
                 elif name == 'send_signal':
                     ret = meth(signal.SIGTERM)
-                elif MACOS and name == 'memory_maps':
-                    continue  # XXX
                 else:
                     ret = meth()
             except psutil.ZombieProcess: