diff --git a/changelogs/fragments/ansible-test-remove-legacy-check.yml b/changelogs/fragments/ansible-test-remove-legacy-check.yml
new file mode 100644
index 00000000000..8066acadacb
--- /dev/null
+++ b/changelogs/fragments/ansible-test-remove-legacy-check.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - ansible-test - Remove check for legacy ``core`` and ``extras`` directories.
diff --git a/test/lib/ansible_test/_internal/cli.py b/test/lib/ansible_test/_internal/cli.py
index dce977c53d6..05b4e3e08c5 100644
--- a/test/lib/ansible_test/_internal/cli.py
+++ b/test/lib/ansible_test/_internal/cli.py
@@ -38,7 +38,6 @@ from .executor import (
     ApplicationWarning,
     Delegate,
     generate_pip_install,
-    check_startup,
     configure_pypi_proxy,
 )
 
@@ -163,7 +162,6 @@ def main():
         display.redact = config.redact
         display.color = config.color
         display.info_stderr = config.info_stderr
-        check_startup()
         check_delegation_args(config)
         configure_timeout(config)
 
diff --git a/test/lib/ansible_test/_internal/executor.py b/test/lib/ansible_test/_internal/executor.py
index f2af5974d2b..2fa4da0020e 100644
--- a/test/lib/ansible_test/_internal/executor.py
+++ b/test/lib/ansible_test/_internal/executor.py
@@ -151,23 +151,6 @@ from .http import (
 )
 
 
-def check_startup():
-    """Checks to perform at startup before running commands."""
-    check_legacy_modules()
-
-
-def check_legacy_modules():
-    """Detect conflicts with legacy core/extras module directories to avoid problems later."""
-    for directory in 'core', 'extras':
-        path = 'lib/ansible/modules/%s' % directory
-
-        for root, _dir_names, file_names in os.walk(path):
-            if file_names:
-                # the directory shouldn't exist, but if it does, it must contain no files
-                raise ApplicationError('Files prohibited in "%s". '
-                                       'These are most likely legacy modules from version 2.2 or earlier.' % root)
-
-
 def create_shell_command(command):
     """
     :type command: list[str]