diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a96c54e..177a20e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,8 +7,7 @@ jobs:
   build:
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, "3.10", 3.11]
-
+        python-version: [3.8, 3.9, "3.10", 3.11]
     runs-on: ubuntu-latest
     
     steps:
diff --git a/pydoof/search_api/stats.py b/pydoof/search_api/stats.py
index b897d32..0a4e811 100644
--- a/pydoof/search_api/stats.py
+++ b/pydoof/search_api/stats.py
@@ -143,41 +143,3 @@ def add_to_cart(
 
     api_client = client or SearchAPIClient(**opts)
     return api_client.put(f"/6/{hashid}/stats/cart/{session_id}", query_params=query_params)
-
-
-def remove_from_cart(
-    hashid: str,
-    index_name: str,
-    session_id: str,
-    item_id: str,
-    amount: int,
-    client=None,
-    **opts,
-):
-    """
-    Removes amount from the given item in the cart, and deletes if the result
-    is lower than 0.
-
-    Args:
-        hashid: Unique search engine id. Indicates to which search engine we are doing the query.
-        session_id (<= 32 characters): The current session ID, must be unique for each user.
-        index_name: The index used for this product in Doofinder.
-        item_id: The ID of the item to be added (this refers to the ID in the shop database).
-        amount: Amount of items to add to the cart.
-    """
-    query_params = {"index": index_name, "id": item_id, "amount": amount}
-
-    api_client = client or SearchAPIClient(**opts)
-    return api_client.patch(f"/6/{hashid}/stats/cart/{session_id}", query_params=query_params)
-
-
-def clear_cart(hashid: str, session_id: str, client=None, **opts):
-    """
-    Deletes the cart with all its content.
-
-    Args:
-        hashid: Unique search engine id. Indicates to which search engine we are doing the query.
-        session_id (<= 32 characters): The current session ID, must be unique for each user.
-    """
-    api_client = client or SearchAPIClient(**opts)
-    return api_client.delete(f"/6/{hashid}/stats/cart/{session_id}")
diff --git a/pyproject.toml b/pyproject.toml
index 137d3b2..b259fbd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,7 @@
 [tool.ruff]
 line-length = 119
 indent-width = 4
+target-version = "py38"
 
 [tool.ruff.lint]
 extend-select = [
@@ -9,3 +10,7 @@ extend-select = [
   "E", # pyflakes
   "TRY",
 ]
+
+[tool.ruff.lint.pyupgrade]
+# Keep compatibility with Python 3.8
+keep-runtime-typing = true
diff --git a/tests/search_api/test_stats.py b/tests/search_api/test_stats.py
index 9853a10..655c7ce 100644
--- a/tests/search_api/test_stats.py
+++ b/tests/search_api/test_stats.py
@@ -151,32 +151,4 @@ def test_add_to_cart(self, APIClientMock):
             query_params={
                 'index': index_name, 'id': item_id, 'amount': amount,
                 'title': title, 'price': price}
-        )
-
-    @mock.patch('pydoof.search_api.stats.SearchAPIClient')
-    def test_remove_from_cart(self, APIClientMock):
-        hashid = 'aab32d8'
-        index_name = 'product'
-        session_id = '4affa6'
-        amount = 2
-        item_id = 1235
-
-        stats.remove_from_cart(
-            hashid, index_name, session_id, item_id, amount
-        )
-
-        APIClientMock.return_value.patch.assert_called_once_with(
-            f'/6/{hashid}/stats/cart/{session_id}',
-            query_params={'index': index_name, 'id': item_id, 'amount': amount}
-        )
-
-    @mock.patch('pydoof.search_api.stats.SearchAPIClient')
-    def test_clear_cart(self, APIClientMock):
-        hashid = 'aab32d8'
-        session_id = '4affa6'
-
-        stats.clear_cart(hashid, session_id)
-
-        APIClientMock.return_value.delete.assert_called_once_with(
-            f'/6/{hashid}/stats/cart/{session_id}'
-        )
+        )
\ No newline at end of file