diff --git a/integrations/amazon_bedrock/src/haystack_integrations/components/downloaders/s3/s3_downloader.py b/integrations/amazon_bedrock/src/haystack_integrations/components/downloaders/s3/s3_downloader.py
index e790a51d8b..7ad228057b 100644
--- a/integrations/amazon_bedrock/src/haystack_integrations/components/downloaders/s3/s3_downloader.py
+++ b/integrations/amazon_bedrock/src/haystack_integrations/components/downloaders/s3/s3_downloader.py
@@ -142,8 +142,7 @@ def run(
         """
 
         if self._storage is None:
-            msg = f"The component {self.__class__.__name__} was not warmed up. Call 'warm_up()' before calling run()."
-            raise RuntimeError(msg)
+            self.warm_up()
 
         filtered_documents = self._filter_documents_by_extensions(documents) if self.file_extensions else documents
 
diff --git a/integrations/amazon_bedrock/tests/test_s3_downloader.py b/integrations/amazon_bedrock/tests/test_s3_downloader.py
index 71f231f81a..d1692b3c4a 100644
--- a/integrations/amazon_bedrock/tests/test_s3_downloader.py
+++ b/integrations/amazon_bedrock/tests/test_s3_downloader.py
@@ -129,7 +129,6 @@ def test_to_dict_with_parameters(self, tmp_path):
 
     def test_run(self, tmp_path, mock_s3_storage, mock_boto3_session):
         d = S3Downloader(file_root_path=str(tmp_path))
-        S3Downloader.warm_up(d)
         d._storage = mock_s3_storage
 
         docs = [
@@ -141,7 +140,6 @@ def test_run(self, tmp_path, mock_s3_storage, mock_boto3_session):
 
     def test_run_with_extensions(self, tmp_path, mock_s3_storage, mock_boto3_session):
         d = S3Downloader(file_root_path=str(tmp_path), file_extensions=[".txt"])
-        S3Downloader.warm_up(d)
         d._storage = mock_s3_storage
 
         docs = [
@@ -155,12 +153,9 @@ def test_run_with_extensions(self, tmp_path, mock_s3_storage, mock_boto3_session
 
     def test_run_with_input_file_meta_key(self, tmp_path, mock_s3_storage, mock_boto3_session):
         d = S3Downloader(file_root_path=str(tmp_path), file_name_meta_key="custom_file_key")
-        S3Downloader.warm_up(d)
         d._storage = mock_s3_storage
 
-        docs = [
-            Document(meta={"file_id": str(uuid4()), "custom_file_key": "a.txt"}),
-        ]
+        docs = [Document(meta={"file_id": str(uuid4()), "custom_file_key": "a.txt"})]
 
         out = d.run(documents=docs)
         assert len(out["documents"]) == 1
@@ -168,12 +163,9 @@ def test_run_with_input_file_meta_key(self, tmp_path, mock_s3_storage, mock_boto
 
     def test_run_with_s3_key_generation_function(self, tmp_path, mock_s3_storage, mock_boto3_session):
         d = S3Downloader(file_root_path=str(tmp_path), s3_key_generation_function=s3_key_generation_function)
-        S3Downloader.warm_up(d)
         d._storage = mock_s3_storage
 
-        docs = [
-            Document(meta={"file_id": str(uuid4()), "file_name": "a.txt"}),
-        ]
+        docs = [Document(meta={"file_id": str(uuid4()), "file_name": "a.txt"})]
         out = d.run(documents=docs)
         assert len(out["documents"]) == 1
         assert out["documents"][0].meta["file_name"] == "a.txt"
@@ -189,7 +181,6 @@ def test_run_with_s3_key_generation_function_and_file_extensions(
             s3_key_generation_function=s3_key_generation_function,
             file_extensions=[".txt"],
         )
-        S3Downloader.warm_up(d)
         d._storage = mock_s3_storage
 
         docs = [
@@ -210,8 +201,6 @@ def test_run_with_s3_key_generation_function_and_file_extensions(
     def test_live_run(self, tmp_path, monkeypatch):
         d = S3Downloader(file_root_path=str(tmp_path))
         monkeypatch.setenv("S3_DOWNLOADER_PREFIX", "")
-        S3Downloader.warm_up(d)
-
         docs = [
             Document(meta={"file_id": str(uuid4()), "file_name": "text-sample.txt"}),
             Document(meta={"file_id": str(uuid4()), "file_name": "document-sample.pdf"}),
@@ -229,9 +218,7 @@ def test_live_run(self, tmp_path, monkeypatch):
     )
     def test_live_run_with_no_documents(self, tmp_path):
         d = S3Downloader(file_root_path=str(tmp_path))
-        S3Downloader.warm_up(d)
-        docs = []
-        out = d.run(documents=docs)
+        out = d.run(documents=[])
         assert len(out["documents"]) == 0
 
     @pytest.mark.integration
@@ -247,10 +234,8 @@ def test_live_run_with_no_documents(self, tmp_path):
     def test_live_run_with_custom_meta_key(self, tmp_path, monkeypatch):
         d = S3Downloader(file_root_path=str(tmp_path), file_name_meta_key="custom_name")
         monkeypatch.setenv("S3_DOWNLOADER_PREFIX", "")
-        S3Downloader.warm_up(d)
-        docs = [
-            Document(meta={"custom_name": "text-sample.txt"}),
-        ]
+        d.warm_up()
+        docs = [Document(meta={"custom_name": "text-sample.txt"})]
         out = d.run(documents=docs)
         assert len(out["documents"]) == 1
         assert out["documents"][0].meta["custom_name"] == "text-sample.txt"
@@ -263,11 +248,8 @@ def test_live_run_with_custom_meta_key(self, tmp_path, monkeypatch):
     def test_live_run_with_prefix(self, tmp_path, monkeypatch):
         d = S3Downloader(file_root_path=str(tmp_path))
         monkeypatch.setenv("S3_DOWNLOADER_PREFIX", "subfolder/")
-
-        S3Downloader.warm_up(d)
-        docs = [
-            Document(meta={"file_name": "employees.json"}),
-        ]
+        d.warm_up()
+        docs = [Document(meta={"file_name": "employees.json"})]
         out = d.run(documents=docs)
         assert len(out["documents"]) == 1
         assert out["documents"][0].meta["file_name"] == "employees.json"
@@ -286,10 +268,8 @@ def test_live_run_with_s3_key_generation_function_and_file_extensions(self, tmp_
             file_name_meta_key="file_name",
             s3_key_generation_function=s3_key_generation_function,
         )
-        S3Downloader.warm_up(d)
-        docs = [
-            Document(meta={"file_name": "dog.jpg"}),
-        ]
+        d.warm_up()
+        docs = [Document(meta={"file_name": "dog.jpg"})]
         out = d.run(documents=docs)
         assert len(out["documents"]) == 1
         assert out["documents"][0].meta["file_name"] == "dog.jpg"