From b94974992af4a003bfa54876fa4dd536b5fd7dd6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gabriel=20Mart=C3=ADn=20Bl=C3=A1zquez?=
 <gmartinbdev@gmail.com>
Date: Fri, 17 Jan 2025 09:30:55 +0100
Subject: [PATCH 1/3] Remove deprecated `CombineColumns` step

---
 src/distilabel/steps/columns/group.py  | 15 +--------------
 tests/unit/steps/columns/test_group.py | 17 +----------------
 2 files changed, 2 insertions(+), 30 deletions(-)

diff --git a/src/distilabel/steps/columns/group.py b/src/distilabel/steps/columns/group.py
index ed9ee7a2df..aaea6a3fee 100644
--- a/src/distilabel/steps/columns/group.py
+++ b/src/distilabel/steps/columns/group.py
@@ -12,8 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import warnings
-from typing import TYPE_CHECKING, Any, List, Optional
+from typing import TYPE_CHECKING, List, Optional
 
 from typing_extensions import override
 
@@ -125,15 +124,3 @@ def process(self, *inputs: StepInput) -> "StepOutput":
             group_columns=self.inputs,
             output_group_columns=self.outputs,
         )
-
-
-class CombineColumns(GroupColumns):
-    """`CombineColumns` is deprecated and will be removed in version 1.5.0, use `GroupColumns` instead."""
-
-    def __init__(self, **data: Any) -> None:
-        warnings.warn(
-            "`CombineColumns` is deprecated and will be removed in version 1.5.0, use `GroupColumns` instead.",
-            DeprecationWarning,
-            stacklevel=2,
-        )
-        return super().__init__(**data)
diff --git a/tests/unit/steps/columns/test_group.py b/tests/unit/steps/columns/test_group.py
index 57f9f114de..c929cda927 100644
--- a/tests/unit/steps/columns/test_group.py
+++ b/tests/unit/steps/columns/test_group.py
@@ -13,11 +13,9 @@
 # limitations under the License.
 
 
-import pytest
-
 from distilabel.constants import DISTILABEL_METADATA_KEY
 from distilabel.pipeline.local import Pipeline
-from distilabel.steps.columns.group import CombineColumns, GroupColumns
+from distilabel.steps.columns.group import GroupColumns
 
 
 class TestGroupColumns:
@@ -58,16 +56,3 @@ def test_process(self) -> None:
                 DISTILABEL_METADATA_KEY: {"model": ["model-1", "model-2"]},
             }
         ]
-
-
-def test_CombineColumns_deprecation_warning():
-    with pytest.deprecated_call():
-        CombineColumns(
-            name="combine_columns",
-            columns=["generation", "model_name"],
-        )
-    from packaging.version import Version
-
-    import distilabel
-
-    assert Version(distilabel.__version__) <= Version("1.5.0")

From 0dd926163531f372ace3c077d0b1d30131c93c37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gabriel=20Mart=C3=ADn=20Bl=C3=A1zquez?=
 <gmartinbdev@gmail.com>
Date: Fri, 17 Jan 2025 10:11:20 +0100
Subject: [PATCH 2/3] Remove `CombineColumns` import

---
 src/distilabel/steps/__init__.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/distilabel/steps/__init__.py b/src/distilabel/steps/__init__.py
index 19d90f9a33..661704c7d8 100644
--- a/src/distilabel/steps/__init__.py
+++ b/src/distilabel/steps/__init__.py
@@ -26,7 +26,7 @@
 from distilabel.steps.clustering.umap import UMAP
 from distilabel.steps.columns.combine import CombineOutputs
 from distilabel.steps.columns.expand import ExpandColumns
-from distilabel.steps.columns.group import CombineColumns, GroupColumns
+from distilabel.steps.columns.group import GroupColumns
 from distilabel.steps.columns.keep import KeepColumns
 from distilabel.steps.columns.merge import MergeColumns
 from distilabel.steps.decorator import step
@@ -60,7 +60,6 @@
 __all__ = [
     "DBSCAN",
     "UMAP",
-    "CombineColumns",
     "CombineOutputs",
     "ConversationTemplate",
     "DataSampler",

From b0b11bf95bf4ccd35b049042d286477b50aaa69d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gabriel=20Mart=C3=ADn=20Bl=C3=A1zquez?=
 <gmartinbdev@gmail.com>
Date: Fri, 17 Jan 2025 10:50:48 +0100
Subject: [PATCH 3/3] Remove `CombineColumns` from test

---
 tests/unit/test_imports.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tests/unit/test_imports.py b/tests/unit/test_imports.py
index a836cceb15..1309232a27 100644
--- a/tests/unit/test_imports.py
+++ b/tests/unit/test_imports.py
@@ -40,7 +40,6 @@ def test_imports() -> None:
 
     from distilabel.steps import (
         StepResources,
-        CombineColumns,
         GroupColumns,
         MergeColumns,
         ConversationTemplate,