diff --git a/dask_expr/_collection.py b/dask_expr/_collection.py
index 4d38808f..40afc6a8 100644
--- a/dask_expr/_collection.py
+++ b/dask_expr/_collection.py
@@ -5020,23 +5020,6 @@ def from_dict(
     )
 
 
-def from_dask_dataframe(*args, **kwargs) -> FrameBase:
-    """Create a dask-expr collection from a legacy dask-dataframe collection
-
-    WARNING: This API is deprecated. Please use `from_legacy_dataframe`.
-
-    Parameters
-    ----------
-    optimize
-        Whether to optimize the graph before conversion.
-    """
-    warnings.warn(
-        "`from_dask_dataframe` is deprecated, please use `from_legacy_dataframe`.",
-        FutureWarning,
-    )
-    return from_legacy_dataframe(*args, **kwargs)
-
-
 def from_legacy_dataframe(ddf: _Frame, optimize: bool = True) -> FrameBase:
     """Create a dask-expr collection from a legacy dask-dataframe collection
 
diff --git a/dask_expr/io/tests/test_io.py b/dask_expr/io/tests/test_io.py
index e6ec76d3..ca284a9e 100644
--- a/dask_expr/io/tests/test_io.py
+++ b/dask_expr/io/tests/test_io.py
@@ -14,7 +14,6 @@
     DataFrame,
     from_array,
     from_dask_array,
-    from_dask_dataframe,
     from_dict,
     from_legacy_dataframe,
     from_map,
@@ -235,11 +234,6 @@ def test_from_legacy_dataframe(optimize):
     assert isinstance(df.expr, Expr)
     assert_eq(df, ddf)
 
-    # Check deprecated API
-    with pytest.warns(FutureWarning, match="deprecated"):
-        df2 = from_dask_dataframe(ddf, optimize=optimize)
-        assert_eq(df, df2)
-
 
 @pytest.mark.parametrize("optimize", [True, False])
 def test_to_legacy_dataframe(optimize):