diff --git a/Lib/asyncio/compat.py b/Lib/asyncio/compat.py
deleted file mode 100644
index 520ec68..0000000
--- a/Lib/asyncio/compat.py
+++ /dev/null
@@ -1,6 +0,0 @@
-"""Compatibility helpers for the different Python versions."""
-
-import sys
-
-PY35 = sys.version_info >= (3, 5)
-PY352 = sys.version_info >= (3, 5, 2)
diff --git a/Lib/asyncio/coroutines.py b/Lib/asyncio/coroutines.py
index a87c9f9..3e305f9 100644
--- a/Lib/asyncio/coroutines.py
+++ b/Lib/asyncio/coroutines.py
@@ -9,7 +9,6 @@
 import traceback
 import types
 
-from . import compat
 from . import constants
 from . import events
 from . import base_futures
@@ -151,35 +150,33 @@
     def gi_code(self):
         return self.gen.gi_code
 
-    if compat.PY35:
+    def __await__(self):
+        cr_await = getattr(self.gen, 'cr_await', None)
+        if cr_await is not None:
+            raise RuntimeError(
+                "Cannot await on coroutine {!r} while it's "
+                "awaiting for {!r}".format(self.gen, cr_await))
+        return self
 
-        def __await__(self):
-            cr_await = getattr(self.gen, 'cr_await', None)
-            if cr_await is not None:
-                raise RuntimeError(
-                    "Cannot await on coroutine {!r} while it's "
-                    "awaiting for {!r}".format(self.gen, cr_await))
-            return self
+    @property
+    def gi_yieldfrom(self):
+        return self.gen.gi_yieldfrom
 
-        @property
-        def gi_yieldfrom(self):
-            return self.gen.gi_yieldfrom
+    @property
+    def cr_await(self):
+        return self.gen.cr_await
 
-        @property
-        def cr_await(self):
-            return self.gen.cr_await
+    @property
+    def cr_running(self):
+        return self.gen.cr_running
 
-        @property
-        def cr_running(self):
-            return self.gen.cr_running
+    @property
+    def cr_code(self):
+        return self.gen.cr_code
 
-        @property
-        def cr_code(self):
-            return self.gen.cr_code
-
-        @property
-        def cr_frame(self):
-            return self.gen.cr_frame
+    @property
+    def cr_frame(self):
+        return self.gen.cr_frame
 
     def __del__(self):
         # Be careful accessing self.gen.frame -- self.gen might not exist.
diff --git a/Lib/asyncio/futures.py b/Lib/asyncio/futures.py
index b2e57ef..7b6204a 100644
--- a/Lib/asyncio/futures.py
+++ b/Lib/asyncio/futures.py
@@ -9,7 +9,6 @@
 import traceback
 
 from . import base_futures
-from . import compat
 from . import events
 
 
@@ -238,8 +237,7 @@
         assert self.done(), "yield from wasn't used with future"
         return self.result()  # May raise too.
 
-    if compat.PY35:
-        __await__ = __iter__ # make compatible with 'await' expression
+    __await__ = __iter__ # make compatible with 'await' expression
 
 
 # Needed for testing purposes.
diff --git a/Lib/asyncio/locks.py b/Lib/asyncio/locks.py
index 9266183..750c435 100644
--- a/Lib/asyncio/locks.py
+++ b/Lib/asyncio/locks.py
@@ -4,7 +4,6 @@
 
 import collections
 
-from . import compat
 from . import events
 from . import futures
 from .coroutines import coroutine
@@ -67,23 +66,21 @@
         yield from self.acquire()
         return _ContextManager(self)
 
-    if compat.PY35:
+    def __await__(self):
+        # To make "with await lock" work.
+        yield from self.acquire()
+        return _ContextManager(self)
 
-        def __await__(self):
-            # To make "with await lock" work.
-            yield from self.acquire()
-            return _ContextManager(self)
+    @coroutine
+    def __aenter__(self):
+        yield from self.acquire()
+        # We have no use for the "as ..."  clause in the with
+        # statement for locks.
+        return None
 
-        @coroutine
-        def __aenter__(self):
-            yield from self.acquire()
-            # We have no use for the "as ..."  clause in the with
-            # statement for locks.
-            return None
-
-        @coroutine
-        def __aexit__(self, exc_type, exc, tb):
-            self.release()
+    @coroutine
+    def __aexit__(self, exc_type, exc, tb):
+        self.release()
 
 
 class Lock(_ContextManagerMixin):
diff --git a/Lib/asyncio/queues.py b/Lib/asyncio/queues.py
index 1c66d67..4fc681d 100644
--- a/Lib/asyncio/queues.py
+++ b/Lib/asyncio/queues.py
@@ -5,7 +5,6 @@
 import collections
 import heapq
 
-from . import compat
 from . import events
 from . import locks
 from .coroutines import coroutine
@@ -251,9 +250,3 @@
 
     def _get(self):
         return self._queue.pop()
-
-
-if not compat.PY35:
-    JoinableQueue = Queue
-    """Deprecated alias for Queue."""
-    __all__.append('JoinableQueue')
diff --git a/Lib/asyncio/streams.py b/Lib/asyncio/streams.py
index 30b751e..05774e9 100644
--- a/Lib/asyncio/streams.py
+++ b/Lib/asyncio/streams.py
@@ -12,7 +12,6 @@
     __all__.extend(['open_unix_connection', 'start_unix_server'])
 
 from . import coroutines
-from . import compat
 from . import events
 from . import protocols
 from .coroutines import coroutine
diff --git a/Lib/asyncio/tasks.py b/Lib/asyncio/tasks.py
index 52fef18..5d744c3 100644
--- a/Lib/asyncio/tasks.py
+++ b/Lib/asyncio/tasks.py
@@ -13,7 +13,6 @@
 import weakref
 
 from . import base_tasks
-from . import compat
 from . import coroutines
 from . import events
 from . import futures
@@ -525,7 +524,7 @@
         if task._source_traceback:
             del task._source_traceback[-1]
         return task
-    elif compat.PY35 and inspect.isawaitable(coro_or_future):
+    elif inspect.isawaitable(coro_or_future):
         return ensure_future(_wrap_awaitable(coro_or_future), loop=loop)
     else:
         raise TypeError('An asyncio.Future, a coroutine or an awaitable is '