diff --git a/homeassistant/components/camera/__init__.py b/homeassistant/components/camera/__init__.py
index b955f1a0249..f3258681b52 100644
--- a/homeassistant/components/camera/__init__.py
+++ b/homeassistant/components/camera/__init__.py
@@ -10,7 +10,6 @@ from dataclasses import dataclass
 from datetime import datetime, timedelta
 from functools import partial
 import hashlib
-import inspect
 import logging
 import os
 from random import SystemRandom
@@ -161,18 +160,9 @@ async def _async_get_image(
     """
     with suppress(asyncio.CancelledError, asyncio.TimeoutError):
         async with async_timeout.timeout(timeout):
-            # Calling inspect will be removed in 2022.1 after all
-            # custom components have had a chance to change their signature
-            sig = inspect.signature(camera.async_camera_image)
-            if "height" in sig.parameters and "width" in sig.parameters:
-                image_bytes = await camera.async_camera_image(
-                    width=width, height=height
-                )
-            else:
-                camera.async_warn_old_async_camera_image_signature()
-                image_bytes = await camera.async_camera_image()
-
-            if image_bytes:
+            if image_bytes := await camera.async_camera_image(
+                width=width, height=height
+            ):
                 content_type = camera.content_type
                 image = Image(content_type, image_bytes)
                 if (
@@ -576,27 +566,9 @@ class Camera(Entity):
         self, width: int | None = None, height: int | None = None
     ) -> bytes | None:
         """Return bytes of camera image."""
-        sig = inspect.signature(self.camera_image)
-        # Calling inspect will be removed in 2022.1 after all
-        # custom components have had a chance to change their signature
-        if "height" in sig.parameters and "width" in sig.parameters:
-            return await self.hass.async_add_executor_job(
-                partial(self.camera_image, width=width, height=height)
-            )
-        self.async_warn_old_async_camera_image_signature()
-        return await self.hass.async_add_executor_job(self.camera_image)
-
-    # Remove in 2022.1 after all custom components have had a chance to change their signature
-    @callback
-    def async_warn_old_async_camera_image_signature(self) -> None:
-        """Warn once when calling async_camera_image with the function old signature."""
-        if self._warned_old_signature:
-            return
-        _LOGGER.warning(
-            "The camera entity %s does not support requesting width and height, please open an issue with the integration author",
-            self.entity_id,
+        return await self.hass.async_add_executor_job(
+            partial(self.camera_image, width=width, height=height)
         )
-        self._warned_old_signature = True
 
     async def handle_async_still_stream(
         self, request: web.Request, interval: float
diff --git a/tests/components/camera/test_init.py b/tests/components/camera/test_init.py
index 0e53e163404..e72941ef488 100644
--- a/tests/components/camera/test_init.py
+++ b/tests/components/camera/test_init.py
@@ -108,28 +108,6 @@ async def test_get_image_from_camera(hass, image_mock_url):
     assert image.content == b"Test"
 
 
-async def test_legacy_async_get_image_signature_warns_only_once(
-    hass, image_mock_url, caplog
-):
-    """Test that we only warn once when we encounter a legacy async_get_image function signature."""
-
-    async def _legacy_async_camera_image(self):
-        return b"Image"
-
-    with patch(
-        "homeassistant.components.demo.camera.DemoCamera.async_camera_image",
-        new=_legacy_async_camera_image,
-    ):
-        image = await camera.async_get_image(hass, "camera.demo_camera")
-        assert image.content == b"Image"
-        assert "does not support requesting width and height" in caplog.text
-        caplog.clear()
-
-        image = await camera.async_get_image(hass, "camera.demo_camera")
-        assert image.content == b"Image"
-        assert "does not support requesting width and height" not in caplog.text
-
-
 async def test_get_image_from_camera_with_width_height(hass, image_mock_url):
     """Grab an image from camera entity with width and height."""