diff --git a/changelog.d/70.removed.md b/changelog.d/70.removed.md
new file mode 100644
index 0000000..044b724
--- /dev/null
+++ b/changelog.d/70.removed.md
@@ -0,0 +1,3 @@
+**`BackendProxy.get_backend()` and `BackendProxy.set_backend()` are removed.**
+They had emitted a `DeprecationWarning` since 0.3.0. Call `BackendProxy.get()`
+and `BackendProxy.set(backend)` instead.
diff --git a/fastapi_cachex/proxy.py b/fastapi_cachex/proxy.py
index 7cde895..6dbcc37 100644
--- a/fastapi_cachex/proxy.py
+++ b/fastapi_cachex/proxy.py
@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import threading
-import warnings
 from logging import getLogger
 from typing import TYPE_CHECKING
 from typing import ClassVar
@@ -110,42 +109,6 @@ class BackendProxy(ProxyBase[BaseCacheBackend]):
 
     _not_set_error = BackendNotFoundError
 
-    @staticmethod
-    def get_backend() -> BaseCacheBackend:
-        """Get the current backend instance.
-
-        .. deprecated:: 0.3.0
-            Use :meth:`get` instead. Will be removed in version 0.4.0.
-
-        Returns:
-            The current backend instance
-        """
-        warnings.warn(
-            "get_backend() is deprecated, use get() instead. "
-            "Will be removed in version 0.4.0.",
-            DeprecationWarning,
-            stacklevel=2,
-        )
-        return BackendProxy.get()
-
-    @staticmethod
-    def set_backend(backend: BaseCacheBackend | None) -> None:
-        """Set the backend instance.
-
-        .. deprecated:: 0.3.0
-            Use :meth:`set` instead. Will be removed in version 0.4.0.
-
-        Args:
-            backend: The backend instance to set, or None to clear
-        """
-        warnings.warn(
-            "set_backend() is deprecated, use set() instead. "
-            "Will be removed in version 0.4.0.",
-            DeprecationWarning,
-            stacklevel=2,
-        )
-        BackendProxy.set(backend)
-
 
 def get_backend_or_fallback() -> BaseCacheBackend:
     """Return the configured backend, registering a `MemoryBackend` if none is.
diff --git a/tests/test_proxybackend.py b/tests/test_proxybackend.py
index 40d6c86..d72c14e 100644
--- a/tests/test_proxybackend.py
+++ b/tests/test_proxybackend.py
@@ -117,31 +117,6 @@ def test_backend_proxy_cannot_be_instantiated():
         BackendProxy()
 
 
-def test_get_backend_alias_warns_and_delegates():
-    """The 0.3.0 deprecation shims stay callable until 0.4.0 removes them."""
-    backend = MemoryBackend()
-    BackendProxy.set(backend)
-
-    with pytest.warns(DeprecationWarning, match="get_backend\\(\\) is deprecated"):
-        assert BackendProxy.get_backend() is backend
-
-
-def test_set_backend_alias_warns_and_delegates():
-    """Same for the setter, including clearing with `None`."""
-    backend = MemoryBackend()
-
-    with pytest.warns(DeprecationWarning, match="set_backend\\(\\) is deprecated"):
-        BackendProxy.set_backend(backend)
-
-    assert BackendProxy.get() is backend
-
-    with pytest.warns(DeprecationWarning, match="set_backend\\(\\) is deprecated"):
-        BackendProxy.set_backend(None)
-
-    with pytest.raises(BackendNotFoundError):
-        BackendProxy.get()
-
-
 @pytest.mark.parametrize(
     "proxy", [CacheManagerProxy, SessionManagerProxy, StateManagerProxy]
 )