diff --git a/Lib/asyncio/events.py b/Lib/asyncio/events.py
index 70017cb86a0596..0dce87b8ecc586 100644
--- a/Lib/asyncio/events.py
+++ b/Lib/asyncio/events.py
@@ -283,7 +283,7 @@ def create_task(self, coro, *, name=None):
     def call_soon_threadsafe(self, callback, *args):
         raise NotImplementedError
 
-    async def run_in_executor(self, executor, func, *args):
+    def run_in_executor(self, executor, func, *args):
         raise NotImplementedError
 
     def set_default_executor(self, executor):
diff --git a/Misc/NEWS.d/next/Library/2020-08-13-08-07-25.bpo-40782.aGZqmB.rst b/Misc/NEWS.d/next/Library/2020-08-13-08-07-25.bpo-40782.aGZqmB.rst
new file mode 100644
index 00000000000000..d4c7e0e2419df4
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-08-13-08-07-25.bpo-40782.aGZqmB.rst
@@ -0,0 +1 @@
+Change the method asyncio.AbstractEventLoop.run_in_executor to not be a coroutine.
\ No newline at end of file