diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
index f70be0d91b94..4fc6ca82125d 100644
--- a/lib/matplotlib/backend_bases.py
+++ b/lib/matplotlib/backend_bases.py
@@ -3507,10 +3507,6 @@ def show(cls, *, block=None):
             except AttributeError:
                 ipython_pylab = False
             block = not ipython_pylab and not is_interactive()
-            # TODO: The above is a hack to get the WebAgg backend working with
-            # ipython's `%pylab` mode until proper integration is implemented.
-            if get_backend() == "WebAgg":
-                block = True
         if block:
             cls.mainloop()