diff --git a/tox_poetry_installer/hooks.py b/tox_poetry_installer/hooks.py
index 172178d..312d97a 100644
--- a/tox_poetry_installer/hooks.py
+++ b/tox_poetry_installer/hooks.py
@@ -22,13 +22,6 @@ from tox_poetry_installer import utilities
 @impl
 def tox_add_option(parser: ToxParser):
     """Add additional command line arguments to tox to configure plugin behavior"""
-    parser.add_argument(
-        "--require-poetry",
-        action="store_true",
-        dest="require_poetry",
-        help="(deprecated) Trigger a failure if Poetry is not available to Tox",
-    )
-
     parser.add_argument(
         "--parallel-install-threads",
         type=int,
diff --git a/tox_poetry_installer/utilities.py b/tox_poetry_installer/utilities.py
index dce3656..0c0221d 100644
--- a/tox_poetry_installer/utilities.py
+++ b/tox_poetry_installer/utilities.py
@@ -37,13 +37,6 @@ def check_preconditions(venv: ToxVirtualEnv) -> "_poetry.Poetry":
     if isinstance(venv, PackageToxEnv):
         raise exceptions.SkipEnvironment(f"Skipping Tox provisioning env '{venv.name}'")
 
-    if venv.options.require_poetry:
-        logger.warning(
-            "DEPRECATION: The '--require-poetry' runtime option is deprecated and will be "
-            "removed in version 1.0.0. Please update test environments that require Poetry to "
-            "set the 'require_poetry = true' option in tox.ini"
-        )
-
     from tox_poetry_installer import _poetry
 
     try: