diff --git a/nomenclature/cli.py b/nomenclature/cli.py
index 18ef895d..33cdafc1 100644
--- a/nomenclature/cli.py
+++ b/nomenclature/cli.py
@@ -277,29 +277,3 @@ def cli_run_workflow(
     df = getattr(workflow, workflow_function)(IamDataFrame(input_file))
     if output_file is not None:
         df.to_excel(output_file)
-
-
-@cli.command("validate-scenarios")
-@click.argument("input_file", type=click.Path(exists=True, path_type=Path))
-@click.option(
-    "--definitions",
-    help="Optional name for definitions folder",
-    type=click.Path(exists=True, path_type=Path),
-    default="definitions",
-)
-def cli_validate_scenarios(input_file: Path, definitions: Path):
-    """Validate a scenario file against the codelists of a project
-
-    Parameters
-    ----------
-    input_file : Path
-        Input data file, must be IAMC format, .xlsx or .csv
-    definitions : Path
-        Definitions folder with codelists, by default "definitions"
-
-    Raises
-    ------
-    ValueError
-        If input_file validation fails against specified codelist(s).
-    """
-    DataStructureDefinition(definitions).validate(IamDataFrame(input_file))
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 9eaee1ff..dd1b3422 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -420,32 +420,3 @@ def test_cli_run_workflow(tmp_path, simple_df):
     )
 
     assert_iamframe_equal(simple_df, IamDataFrame(tmp_path / "output.xlsx"))
-
-
-@pytest.mark.parametrize(
-    "status, unit, exit_code", [("valid", "EJ/yr", 0), ("invalid", "EJ", 1)]
-)
-def test_cli_valid_scenarios(status, unit, exit_code, tmp_path):
-    """Check that CLI validates an IAMC dataset according to defined codelist."""
-    IamDataFrame(
-        pd.DataFrame(
-            [
-                ["m_a", "s_a", "World", "Primary Energy", unit, 1, 2],
-            ],
-            columns=IAMC_IDX + [2005, 2010],
-        )
-    ).to_excel(tmp_path / f"{status}_data.xlsx")
-    result_valid = runner.invoke(
-        cli,
-        [
-            "validate-scenarios",
-            str(tmp_path / f"{status}_data.xlsx"),
-            "--definitions",
-            str(
-                MODULE_TEST_DATA_DIR
-                / "structure_validation_no_mappings"
-                / "definitions"
-            ),
-        ],
-    )
-    assert result_valid.exit_code == exit_code