diff --git a/python/deptry/cli.py b/python/deptry/cli.py
index 8b483c83..30ecddcf 100644
--- a/python/deptry/cli.py
+++ b/python/deptry/cli.py
@@ -11,10 +11,6 @@
 
 from deptry.config import read_configuration_from_pyproject_toml
 from deptry.core import Core
-from deptry.deprecate.requirements_txt import (
-    REQUIREMENTS_TXT_DEPRECATION_MESSAGE,
-    REQUIREMENTS_TXT_DEV_DEPRECATION_MESSAGE,
-)
 
 if TYPE_CHECKING:
     from collections.abc import Mapping, MutableMapping, Sequence
@@ -187,18 +183,12 @@ def display_deptry_version(ctx: click.Context, _param: click.Parameter, value: b
     callback=display_deptry_version,
     help="Display the current version and exit.",
 )
-@click.option(
-    "--requirements-txt", "-rt", type=COMMA_SEPARATED_TUPLE, help="To be deprecated.", hidden=True, default=()
-)
-@click.option(
-    "--requirements-txt-dev", "-rtd", type=COMMA_SEPARATED_TUPLE, help="To be deprecated.", hidden=True, default=()
-)
 @click.option(
     "--requirements-files",
     "-rf",
     type=COMMA_SEPARATED_TUPLE,
     help=f""".txt files to scan for dependencies. If a file called pyproject.toml with a [tool.poetry.dependencies] or [project] section is found, this argument is ignored
-    and the dependencies are extracted from the pyproject.toml file instead. Can be multiple e.g. `deptry . --requirements-txt req/prod.txt,req/extra.txt`
+    and the dependencies are extracted from the pyproject.toml file instead. Can be multiple e.g. `deptry . --requirements-files req/prod.txt,req/extra.txt`
     [default: {", ".join(DEFAULT_REQUIREMENTS_FILES)}]""",
 )
 @click.option(
@@ -259,8 +249,6 @@ def deptry(
     exclude: tuple[str, ...],
     extend_exclude: tuple[str, ...],
     ignore_notebooks: bool,
-    requirements_txt: tuple[str, ...],
-    requirements_txt_dev: tuple[str, ...],
     requirements_files: tuple[str, ...],
     requirements_files_dev: tuple[str, ...],
     known_first_party: tuple[str, ...],
@@ -283,12 +271,6 @@ def deptry(
 
     """
 
-    if requirements_txt:
-        logging.warning(REQUIREMENTS_TXT_DEPRECATION_MESSAGE)
-
-    if requirements_txt_dev:
-        logging.warning(REQUIREMENTS_TXT_DEV_DEPRECATION_MESSAGE)
-
     Core(
         root=root,
         config=config,
@@ -299,9 +281,9 @@ def deptry(
         ignore_notebooks=ignore_notebooks,
         ignore=ignore,
         per_rule_ignores=per_rule_ignores,
-        requirements_files=(requirements_txt or requirements_files) or DEFAULT_REQUIREMENTS_FILES,
-        using_default_requirements_files=not (requirements_txt or requirements_files),
-        requirements_files_dev=requirements_txt_dev or requirements_files_dev,
+        requirements_files=requirements_files or DEFAULT_REQUIREMENTS_FILES,
+        using_default_requirements_files=not requirements_files,
+        requirements_files_dev=requirements_files_dev,
         known_first_party=known_first_party,
         json_output=json_output,
         package_module_name_map=package_module_name_map,
diff --git a/python/deptry/deprecate/__init__.py b/python/deptry/deprecate/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/python/deptry/deprecate/requirements_txt.py b/python/deptry/deprecate/requirements_txt.py
deleted file mode 100644
index 2a4c69cc..00000000
--- a/python/deptry/deprecate/requirements_txt.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from __future__ import annotations
-
-REQUIREMENTS_TXT_DEPRECATION_MESSAGE = (
-    "Warning: In an upcoming release, support for the `--requirements-txt` command-line "
-    "option and the `requirements_txt` configuration parameter will be discontinued. "
-    "Instead, use `--requirements-files` or `requirements_files` under the `[tool.deptry]` "
-    "section in pyproject.toml."
-)
-
-REQUIREMENTS_TXT_DEV_DEPRECATION_MESSAGE = (
-    "Warning: In an upcoming release, support for the `--requirements-txt-dev` command-line "
-    "option and the `requirements_txt_dev` configuration parameter will be discontinued. "
-    "Instead, use `--requirements-files-dev` or `requirements_files_dev` under the `[tool.deptry]` "
-    "section in pyproject.toml."
-)
diff --git a/tests/unit/deprecate/__init__.py b/tests/unit/deprecate/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/tests/unit/deprecate/test_requirements_txt.py b/tests/unit/deprecate/test_requirements_txt.py
deleted file mode 100644
index 51c61de6..00000000
--- a/tests/unit/deprecate/test_requirements_txt.py
+++ /dev/null
@@ -1,85 +0,0 @@
-from __future__ import annotations
-
-from unittest.mock import ANY, patch
-
-from click.testing import CliRunner
-
-from deptry.cli import deptry
-from deptry.deprecate.requirements_txt import (
-    REQUIREMENTS_TXT_DEPRECATION_MESSAGE,
-    REQUIREMENTS_TXT_DEV_DEPRECATION_MESSAGE,
-)
-
-DEFAULT_CORE_ARGS = {
-    "root": (ANY,),
-    "config": ANY,
-    "no_ansi": ANY,
-    "exclude": ANY,
-    "extend_exclude": ANY,
-    "using_default_exclude": ANY,
-    "ignore_notebooks": ANY,
-    "ignore": ANY,
-    "per_rule_ignores": ANY,
-    "known_first_party": ANY,
-    "json_output": ANY,
-    "package_module_name_map": ANY,
-    "pep621_dev_dependency_groups": ANY,
-    "using_default_requirements_files": ANY,
-    "experimental_namespace_package": ANY,
-}
-
-
-def test_requirements_txt_deprecated() -> None:
-    with patch("deptry.cli.Core") as mock_core, patch("logging.warning") as mock_warning:
-        result = CliRunner().invoke(deptry, [".", "--requirements-txt", "somefile.txt"])
-
-        assert result.exit_code == 0
-        mock_warning.assert_called_once_with(REQUIREMENTS_TXT_DEPRECATION_MESSAGE)
-
-        # Assert that Core was instantiated with the correct arguments
-        mock_core.assert_called_once_with(
-            **DEFAULT_CORE_ARGS,
-            requirements_files=("somefile.txt",),
-            requirements_files_dev=("dev-requirements.txt", "requirements-dev.txt"),
-        )
-
-
-def test_requirements_txt_dev_deprecated() -> None:
-    with patch("deptry.cli.Core") as mock_core, patch("logging.warning") as mock_warning:
-        result = CliRunner().invoke(deptry, [".", "--requirements-txt-dev", "somefile.txt"])
-
-        assert result.exit_code == 0
-        mock_warning.assert_called_once_with(REQUIREMENTS_TXT_DEV_DEPRECATION_MESSAGE)
-
-        # Assert that Core was instantiated with the correct arguments
-        mock_core.assert_called_once_with(
-            **DEFAULT_CORE_ARGS, requirements_files=("requirements.txt",), requirements_files_dev=("somefile.txt",)
-        )
-
-
-def test_requirements_files_works_as_expected() -> None:
-    with patch("deptry.cli.Core") as mock_core, patch("logging.warning") as mock_warning:
-        result = CliRunner().invoke(deptry, [".", "--requirements-files", "somefile.txt"])
-
-        assert result.exit_code == 0
-        mock_warning.assert_not_called()
-
-        # Assert that Core was instantiated with the correct arguments
-        mock_core.assert_called_once_with(
-            **DEFAULT_CORE_ARGS,
-            requirements_files=("somefile.txt",),
-            requirements_files_dev=("dev-requirements.txt", "requirements-dev.txt"),
-        )
-
-
-def test_requirements_files_dev_works_as_expected() -> None:
-    with patch("deptry.cli.Core") as mock_core, patch("logging.warning") as mock_warning:
-        result = CliRunner().invoke(deptry, [".", "--requirements-files-dev", "somefile.txt"])
-
-        assert result.exit_code == 0
-        mock_warning.assert_not_called()
-
-        # Assert that Core was instantiated with the correct arguments
-        mock_core.assert_called_once_with(
-            **DEFAULT_CORE_ARGS, requirements_files=("requirements.txt",), requirements_files_dev=("somefile.txt",)
-        )