diff --git a/pyproject.toml b/pyproject.toml
index cfabcac72d0..5f73609c6d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -208,7 +208,6 @@ ignore = [
     "T201",      # 15 occurences    [*] print
     "FBT001",    # 12 occurences    [ ] boolean-type-hint-positional-argument
     "SLF001",    # 12 occurences    [ ] private-member-access
-    "SIM118",    # 12 occurences    [*] in-dict-keys
     "UP035",     # 12 occurences    [ ] deprecated-import
     "S105",      # 10 occurences    [ ] hardcoded-password-string
     "B015",      # 10 occurences    [ ] useless-comparison
@@ -226,32 +225,26 @@ ignore = [
     "PT015",     # 7 occurences     [ ] pytest-assert-always-false
     "N815",      # 7 occurences     [ ] mixed-case-variable-in-class-scope
     "PT006",     # 6 occurences     [*] pytest-parametrize-names-wrong-type
-    "RET504",    # 6 occurences     [*] unnecessary-assign
     "N803",      # 6 occurences     [ ] invalid-argument-name
-    "E712",      # 6 occurences     [*] true-false-comparison
     "E741",      # 6 occurences     [ ] ambiguous-variable-name
     "S113",      # 5 occurences     [ ] request-without-timeout
     "PT011",     # 5 occurences     [ ] pytest-raises-too-broad
     "E731",      # 5 occurences     [*] lambda-assignment
     "RUF005",    # 5 occurences     [ ] collection-literal-concatenation
-    "B006",      # 4 occurences     [*] mutable-argument-default
-    "PIE794",    # 4 occurences     [*] duplicate-class-field-definition
     "PTH103",    # 4 occurences     [ ] os-makedirs
     "PLW2901",   # 4 occurences     [ ] redefined-loop-name
     "PTH112",    # 3 occurences     [ ] os-path-isdir
-    "RUF017",    # 3 occurences     [*] quadratic-list-summation
     "ANN002",    # 2 occurences     [ ] missing-type-args
     "ASYNC230",  # 2 occurences     [ ] blocking-open-call-in-async-function
     "S605",      # 2 occurences     [ ] start-process-with-a-shell
-    "C408",      # 2 occurences     [*] unnecessary-collection-call
-    "C416",      # 2 occurences     [*] unnecessary-comprehension
-    "PIE810",    # 2 occurences     [*] multiple-starts-ends-with
     "PTH100",    # 2 occurences     [ ] os-path-abspath
     "PTH109",    # 2 occurences     [ ] os-getcwd
 
     # keep those exceptions
     "C400",      # unnecessary-generator-list: explicit list is more readable for non-python users
     "C401",      # unnecessary-generator-set: explicit set is more readable for non-python users
+    "C408",      # unnecessary-collection-call: explicit tuple is more readable for non-python users
+    "C416",      # unnecessary-comprehension: may make the code less readable for non-python users
     "FIX003",    # line-contains-xxx: freedom of speech!
     "FIX004",    # line-contains-xxx: freedom of speech!
     "PLR1730",   # if-stmt-min-max: not clear that it makes the code easier to read
diff --git a/tests/apm_tracing_e2e/test_single_span.py b/tests/apm_tracing_e2e/test_single_span.py
index 1732ac7cd2b..c19b6167110 100644
--- a/tests/apm_tracing_e2e/test_single_span.py
+++ b/tests/apm_tracing_e2e/test_single_span.py
@@ -68,7 +68,7 @@ def test_child_span_is_single_span(self):
 
 def _assert_single_span_event(event, name, is_root):
     assert event["operation_name"] == name
-    assert event["single_span"] == True
+    assert event["single_span"] is True
     assert event["ingestion_reason"] == "single_span"
     parent_id = event["parent_id"]
     if is_root:
diff --git a/tests/appsec/iast/sink/test_hardcoded_passwords.py b/tests/appsec/iast/sink/test_hardcoded_passwords.py
index 6f6c58359dd..669521027f2 100644
--- a/tests/appsec/iast/sink/test_hardcoded_passwords.py
+++ b/tests/appsec/iast/sink/test_hardcoded_passwords.py
@@ -45,9 +45,13 @@ def get_hardcoded_password_vulnerabilities(self):
         assert spans_meta, "No spans meta found"
         iast_events = [meta.get("_dd.iast.json") for meta in spans_meta if meta.get("_dd.iast.json")]
         assert iast_events, "No iast events found"
-        vulnerabilities = [event.get("vulnerabilities") for event in iast_events if event.get("vulnerabilities")]
+
+        vulnerabilities: list = []
+        for event in iast_events:
+            vulnerabilities.extend(event.get("vulnerabilities", []))
+
         assert vulnerabilities, "No vulnerabilities found"
-        vulnerabilities = sum(vulnerabilities, [])  # set all the vulnerabilities in a single list
+
         hardcoded_passwords = [vuln for vuln in vulnerabilities if vuln.get("type") == "HARDCODED_PASSWORD"]
         assert hardcoded_passwords, "No hardcoded passwords found"
         return hardcoded_passwords
diff --git a/tests/appsec/iast/sink/test_hardcoded_secrets.py b/tests/appsec/iast/sink/test_hardcoded_secrets.py
index 8312bc28ec6..97ff62a75e0 100644
--- a/tests/appsec/iast/sink/test_hardcoded_secrets.py
+++ b/tests/appsec/iast/sink/test_hardcoded_secrets.py
@@ -18,9 +18,13 @@ def get_hardcoded_secret_vulnerabilities():
     assert spans_meta, "No spans meta found"
     iast_events = [meta.get("_dd.iast.json") for meta in spans_meta if meta.get("_dd.iast.json")]
     assert iast_events, "No iast events found"
-    vulnerabilities = [event.get("vulnerabilities") for event in iast_events if event.get("vulnerabilities")]
+
+    vulnerabilities: list = []
+    for event in iast_events:
+        vulnerabilities.extend(event.get("vulnerabilities", []))
+
     assert vulnerabilities, "No vulnerabilities found"
-    vulnerabilities = sum(vulnerabilities, [])  # set all the vulnerabilities in a single list
+
     hardcoded_secrets = [vuln for vuln in vulnerabilities if vuln.get("type") == "HARDCODED_SECRET"]
     assert hardcoded_secrets, "No hardcoded secrets found"
     return hardcoded_secrets
diff --git a/tests/appsec/iast/utils.py b/tests/appsec/iast/utils.py
index 23a94f5217d..81b530359bb 100644
--- a/tests/appsec/iast/utils.py
+++ b/tests/appsec/iast/utils.py
@@ -85,9 +85,13 @@ def get_all_iast_events():
 
 
 def get_iast_sources(iast_events):
-    sources = [event.get("sources") for event in iast_events if event.get("sources")]
+    sources: list = []
+
+    for event in iast_events:
+        sources.extend(event.get("sources", []))
+
     assert sources, "No sources found"
-    sources = sum(sources, [])  # set all the sources in a single list
+
     return sources
 
 
@@ -365,8 +369,7 @@ def check_test_telemetry_should_execute(self):
 
     def get_sources(self, request):
         iast = get_iast_event(request=request)
-        sources = iast["sources"]
-        return sources
+        return iast["sources"]
 
     def validate_request_reported(self, request, source_type=None):
         if source_type is None:  # allow to overwrite source_type for parameter value node's use case
diff --git a/tests/appsec/rasp/utils.py b/tests/appsec/rasp/utils.py
index 28d9e12786b..8a29b88cb0d 100644
--- a/tests/appsec/rasp/utils.py
+++ b/tests/appsec/rasp/utils.py
@@ -7,7 +7,7 @@
 from utils import interfaces
 
 
-def validate_span_tags(request, expected_meta=[], expected_metrics=[]):
+def validate_span_tags(request, expected_meta=(), expected_metrics=()):
     """Validate RASP span tags are added when an event is generated"""
     spans = [s for _, s in interfaces.library.get_root_spans(request=request)]
     assert spans, "No spans to validate"
diff --git a/tests/auto_inject/test_blocklist_auto_inject.py b/tests/auto_inject/test_blocklist_auto_inject.py
index 428281c4daf..66e22a427b0 100644
--- a/tests/auto_inject/test_blocklist_auto_inject.py
+++ b/tests/auto_inject/test_blocklist_auto_inject.py
@@ -131,5 +131,5 @@ def test_builtIn_instrument_args(self, virtual_machine):
             for command in self.buildIn_args_commands_injected[language]:
                 local_log_file = self._execute_remote_command(ssh_client, command)
                 assert (
-                    command_injection_skipped(command, local_log_file) == False
+                    command_injection_skipped(command, local_log_file) is False
                 ), f"The command {command} was not instrumented, but it should be instrumented!"
diff --git a/tests/debugger/test_debugger_expression_language.py b/tests/debugger/test_debugger_expression_language.py
index b26562b3227..abb81e6bf61 100644
--- a/tests/debugger/test_debugger_expression_language.py
+++ b/tests/debugger/test_debugger_expression_language.py
@@ -662,7 +662,7 @@ def _method_and_language_to_line_number(self, method, language):
             "Nulls": {"java": [130], "dotnet": [127], "python": [136]},
         }.get(method, {}).get(language, [])
 
-    def _create_expression_probes(self, methodName, expressions, lines=[]):
+    def _create_expression_probes(self, methodName, expressions, lines=()):
         probes = []
         expected_message_map = {}
         prob_types = ["method"]
diff --git a/tests/debugger/utils.py b/tests/debugger/utils.py
index b1f3280a3a2..0bd68c6d790 100644
--- a/tests/debugger/utils.py
+++ b/tests/debugger/utils.py
@@ -41,10 +41,9 @@ def extract_probe_ids(probes):
     return []
 
 
-def _get_path(test_name, suffix):
+def _get_path(test_name, suffix) -> str:
     filename = test_name + "_" + _Base_Debugger_Test.tracer["language"] + "_" + suffix + ".json"
-    path = os.path.join(_CUR_DIR, "approvals", filename)
-    return path
+    return os.path.join(_CUR_DIR, "approvals", filename)
 
 
 def write_approval(data, test_name, suffix):
diff --git a/tests/docker_ssi/test_docker_ssi.py b/tests/docker_ssi/test_docker_ssi.py
index b1c846b0d88..0b0213368c9 100644
--- a/tests/docker_ssi/test_docker_ssi.py
+++ b/tests/docker_ssi/test_docker_ssi.py
@@ -115,7 +115,7 @@ def test_telemetry_abort(self):
         assert inject_result is not None, "No telemetry data found for inject.success, inject.skip or inject.error"
 
         # The injector detected by itself that the version is not supported
-        if inject_result == False:
+        if inject_result is False:
             return
 
         # There is telemetry data about the library entrypoint. We only validate there is data
diff --git a/tests/fuzzer/corpus.py b/tests/fuzzer/corpus.py
index 6259098cc2d..0e9f6e2c33b 100644
--- a/tests/fuzzer/corpus.py
+++ b/tests/fuzzer/corpus.py
@@ -163,7 +163,7 @@ def _load_dir(base_dirname):
                 _load_dir(os.path.join(base_dirname, dirname))
 
             for filename in filenames:
-                if filename.endswith(".json") or filename.endswith(".dump"):
+                if filename.endswith((".json", ".dump")):
                     _load_file(os.path.join(base_dirname, filename))
 
     if Path(source).is_file():
diff --git a/tests/integrations/utils.py b/tests/integrations/utils.py
index eda8342cb43..61c34c25103 100644
--- a/tests/integrations/utils.py
+++ b/tests/integrations/utils.py
@@ -71,10 +71,6 @@ def _setup(self):
     setup_db_system = _setup
     setup_runtime_id = _setup
     setup_span_kind = _setup
-    setup_sql_traces = _setup
-    setup_resource = _setup
-    setup_db_type = _setup
-    setup_db_name = _setup
     setup_error_type_and_stack = _setup
     setup_error_message = _setup
     setup_obfuscate_query = _setup
@@ -295,8 +291,7 @@ def get_bytes(s):
 def sha_hash(checkpoint_string):
     if isinstance(checkpoint_string, str):
         checkpoint_string = checkpoint_string.encode("utf-8")
-    hash_obj = hashlib.md5(checkpoint_string).digest()[:8]
-    return hash_obj
+    return hashlib.md5(checkpoint_string).digest()[:8]
 
 
 def compute_dsm_hash_nodejs(parent_hash, edge_tags):
diff --git a/tests/parametric/conftest.py b/tests/parametric/conftest.py
index 35b6d325c39..60b1c3bdce9 100644
--- a/tests/parametric/conftest.py
+++ b/tests/parametric/conftest.py
@@ -1,4 +1,5 @@
 import base64
+from collections.abc import Iterable
 import contextlib
 import dataclasses
 import os
@@ -438,7 +439,7 @@ def wait_for_rc_apply_state(
             time.sleep(0.01)
         raise AssertionError("No RemoteConfig apply status found, got requests %r" % rc_reqs)
 
-    def wait_for_rc_capabilities(self, capabilities: list[int] = [], wait_loops: int = 100):
+    def wait_for_rc_capabilities(self, capabilities: Iterable[int] = (), wait_loops: int = 100):
         """Wait for the given RemoteConfig apply state to be received by the test agent."""
         rc_reqs = []
         capabilities_seen = set()
diff --git a/tests/parametric/test_config_consistency.py b/tests/parametric/test_config_consistency.py
index 1e61287cb68..fb4f77f1726 100644
--- a/tests/parametric/test_config_consistency.py
+++ b/tests/parametric/test_config_consistency.py
@@ -311,7 +311,7 @@ def test_setting_trace_rate_limit(self, library_env, test_agent, test_library):
 @scenarios.parametric
 @features.tracing_configuration_consistency
 class Test_Config_Tags:
-    @parametrize("library_env", [{"DD_TAGS": key} for key in tag_scenarios.keys()])
+    @parametrize("library_env", [{"DD_TAGS": key} for key in tag_scenarios])
     def test_comma_space_tag_separation(self, library_env, test_agent, test_library):
         expected_local_tags = []
         if "DD_TAGS" in library_env:
diff --git a/tests/parametric/test_headers_baggage.py b/tests/parametric/test_headers_baggage.py
index 1ccaa3649f1..9a75f7a1dbf 100644
--- a/tests/parametric/test_headers_baggage.py
+++ b/tests/parametric/test_headers_baggage.py
@@ -33,7 +33,7 @@ def test_headers_baggage_default_D001(self, test_agent, test_library):
         span = find_only_span(test_agent.wait_for_num_traces(1))
         assert span.get("trace_id") == 123456789
         assert span.get("parent_id") == 987654321
-        assert "baggage" in headers.keys()
+        assert "baggage" in headers
         assert headers["baggage"] == "foo=bar"
 
     @only_baggage_enabled()
@@ -44,9 +44,9 @@ def test_headers_baggage_only_D002(self, test_library):
                 [["x-datadog-trace-id", "123456789"], ["baggage", "foo=bar"]]
             )
 
-        assert "x-datadog-trace-id" not in headers.keys()
-        assert "x-datadog-parent-id" not in headers.keys()
-        assert "baggage" in headers.keys()
+        assert "x-datadog-trace-id" not in headers
+        assert "x-datadog-parent-id" not in headers
+        assert "baggage" in headers
         assert headers["baggage"] == "foo=bar"
 
     @disable_baggage()
@@ -60,7 +60,7 @@ def test_baggage_disable_settings_D003(self, test_agent, test_library):
         span = find_only_span(test_agent.wait_for_num_traces(1))
         assert span.get("trace_id") == 123456789
         assert span.get("parent_id") == 987654321
-        assert "baggage" not in headers.keys()
+        assert "baggage" not in headers
 
     def test_baggage_inject_header_D004(self, test_library):
         """Testing baggage header injection, proper concatenation of key value pairs, and encoding"""
@@ -178,20 +178,20 @@ def test_baggage_malformed_headers_D012(self, test_library, test_agent):
                 [["baggage", "no-equal-sign,foo=gets-dropped-because-previous-pair-is-malformed"]],
             )
 
-            assert "baggage" not in headers.keys()
+            assert "baggage" not in headers
 
     def test_baggage_malformed_headers_D013(self, test_library):
         """Ensure that malformed baggage headers are handled properly. Unable to use get_baggage functions because it does not return anything"""
         with test_library:
             headers = test_library.dd_make_child_span_and_get_headers([["baggage", "=no-key"]])
 
-            assert "baggage" not in headers.keys()
+            assert "baggage" not in headers
 
     def test_baggage_malformed_headers_D014(self, test_library):
         with test_library:
             headers = test_library.dd_make_child_span_and_get_headers([["baggage", "no-value="]])
 
-            assert "baggage" not in headers.keys()
+            assert "baggage" not in headers
 
     def test_baggage_malformed_headers_D015(self, test_library):
         with test_library:
@@ -199,7 +199,7 @@ def test_baggage_malformed_headers_D015(self, test_library):
                 [["baggage", "foo=gets-dropped-because-subsequent-pair-is-malformed,="]],
             )
 
-            assert "baggage" not in headers.keys()
+            assert "baggage" not in headers
 
     def test_baggageheader_maxitems_inject_D016(self, test_library):
         """Ensure that baggage headers are not injected when the number of baggage items exceeds the maximum number of items."""
diff --git a/tests/parametric/test_span_sampling.py b/tests/parametric/test_span_sampling.py
index a5818cbd202..971b96d62d1 100644
--- a/tests/parametric/test_span_sampling.py
+++ b/tests/parametric/test_span_sampling.py
@@ -614,7 +614,7 @@ def test_root_span_selected_and_child_dropped_by_sss_when_dropping_policy_is_act
         We're essentially testing to make sure that the child unsampled span is dropped on the tracer side because of
         the activate dropping policy.
         """
-        assert test_agent.info()["client_drop_p0s"] == True, "Client drop p0s expected to be enabled"
+        assert test_agent.info()["client_drop_p0s"] is True, "Client drop p0s expected to be enabled"
 
         with test_library:
             with test_library.dd_start_span(name="parent", service="webserver"):
@@ -672,7 +672,7 @@ def test_child_span_selected_and_root_dropped_by_sss_when_dropping_policy_is_act
         We're essentially testing to make sure that the root unsampled span is dropped on the tracer side because of
         the activate dropping policy.
         """
-        assert test_agent.info()["client_drop_p0s"] == True, "Client drop p0s expected to be enabled"
+        assert test_agent.info()["client_drop_p0s"] is True, "Client drop p0s expected to be enabled"
 
         with test_library:
             with test_library.dd_start_span(name="parent", service="webserver") as ps1:
@@ -726,7 +726,7 @@ def test_entire_trace_dropped_when_dropping_policy_is_active018(self, test_agent
         We're essentially testing to make sure that the entire unsampled trace is dropped on the tracer side because of
         the activate dropping policy.
         """
-        assert test_agent.info()["client_drop_p0s"] == True, "Client drop p0s expected to be enabled"
+        assert test_agent.info()["client_drop_p0s"] is True, "Client drop p0s expected to be enabled"
 
         with test_library:
             with test_library.dd_start_span(name="parent", service="webserver"):
diff --git a/tests/parametric/test_telemetry.py b/tests/parametric/test_telemetry.py
index fffb94821ca..c76ef341e49 100644
--- a/tests/parametric/test_telemetry.py
+++ b/tests/parametric/test_telemetry.py
@@ -579,8 +579,7 @@ def get_app_started_configuration_by_name(test_agent, test_library):
 
             configuration = body["payload"]["configuration"]
 
-            configuration_by_name = {item["name"]: item for item in configuration}
-            return configuration_by_name
+            return {item["name"]: item for item in configuration}
 
         return None
 
@@ -628,4 +627,4 @@ def test_telemetry_sca_enabled_not_propagated(self, library_env, test_agent, tes
             assert cfg_appsec_enabled is not None, f"Missing telemetry config item for '{DD_APPSEC_SCA_ENABLED}'"
             assert cfg_appsec_enabled.get("value") is None
         else:
-            assert DD_APPSEC_SCA_ENABLED not in configuration_by_name.keys()
+            assert DD_APPSEC_SCA_ENABLED not in configuration_by_name
diff --git a/tests/test_config_consistency.py b/tests/test_config_consistency.py
index 8234ed0100a..fa21a0ec801 100644
--- a/tests/test_config_consistency.py
+++ b/tests/test_config_consistency.py
@@ -639,5 +639,4 @@ def parse_log_injection_message(log_message):
         except json.JSONDecodeError:
             continue
         if message.get("dd") and message.get(log_injection_fields[context.library.library]["message"]) == log_message:
-            dd = message.get("dd")
-            return dd
+            return message.get("dd")
diff --git a/tests/test_telemetry.py b/tests/test_telemetry.py
index 89a172d5a1f..3c034ba56c9 100644
--- a/tests/test_telemetry.py
+++ b/tests/test_telemetry.py
@@ -281,7 +281,7 @@ def save_data(data, container):
                     )
 
         if len(self.library_requests) != 0:
-            for s, r in self.library_requests.keys():
+            for s, r in self.library_requests:
                 logger.error(f"seq_id: {s}, runtime_id: {r}")
 
             raise Exception("The following telemetry messages were not forwarded by the agent")
diff --git a/tests/test_the_test/test_conventions.py b/tests/test_the_test/test_conventions.py
index 52f4ab0558e..2c53a77c5dd 100644
--- a/tests/test_the_test/test_conventions.py
+++ b/tests/test_the_test/test_conventions.py
@@ -6,7 +6,7 @@
 def test_utils():
     # verify that all files in test folder are either a test file, a utils.py file or a conftest.py file
     for folder, _, files in os.walk("tests"):
-        if folder.startswith("tests/fuzzer") or folder.startswith("tests/perfs"):
+        if folder.startswith(("tests/fuzzer", "tests/perfs")):
             # do not check these folders, they are particular use cases
             continue