diff --git a/opengsq/protocols/flatout2.py b/opengsq/protocols/flatout2.py
index 30e1345..134bedd 100644
--- a/opengsq/protocols/flatout2.py
+++ b/opengsq/protocols/flatout2.py
@@ -232,10 +232,6 @@ def _verify_packet(self, data: bytes) -> bool:
         if len(data) < 14:  # Minimum length for header + session ID + padding + game ID
             return False
 
-        # Check response header - accept any of the valid response headers
-        response_header = data[:2]
-        header_valid = response_header in self.RESPONSE_HEADERS
-
         # Check game identifier (position 10-14, after session ID and padding)
         # This is the most reliable indicator for Flatout 2 servers
         game_id = data[10:14]
diff --git a/opengsq/protocols/udk.py b/opengsq/protocols/udk.py
index d9b0302..c5a151a 100644
--- a/opengsq/protocols/udk.py
+++ b/opengsq/protocols/udk.py
@@ -68,22 +68,22 @@ def _parse_response(self, buffer: bytes) -> dict:
 
         # Parse connection info
         num_open_public_conn = struct.unpack("!I", br.read_bytes(4))[0]
-        num_open_private_conn = struct.unpack("!I", br.read_bytes(4))[0]
+        _ = struct.unpack("!I", br.read_bytes(4))[0]  # num_open_private_conn
         num_public_conn = struct.unpack("!I", br.read_bytes(4))[0]
-        num_private_conn = struct.unpack("!I", br.read_bytes(4))[0]
+        _ = struct.unpack("!I", br.read_bytes(4))[0]  # num_private_conn
 
         # Parse flags
-        should_advertise = br.read_bytes(1)[0] == 1
+        _ = br.read_bytes(1)[0] == 1  # should_advertise
         is_lan_match = br.read_bytes(1)[0] == 1
         uses_stats = br.read_bytes(1)[0] == 1
-        allow_join_in_progress = br.read_bytes(1)[0] == 1
-        allow_invites = br.read_bytes(1)[0] == 1
-        uses_presence = br.read_bytes(1)[0] == 1
-        allow_join_via_presence = br.read_bytes(1)[0] == 1
-        uses_arbitration = br.read_bytes(1)[0] == 1
+        _ = br.read_bytes(1)[0] == 1  # allow_join_in_progress
+        _ = br.read_bytes(1)[0] == 1  # allow_invites
+        _ = br.read_bytes(1)[0] == 1  # uses_presence
+        _ = br.read_bytes(1)[0] == 1  # allow_join_via_presence
+        _ = br.read_bytes(1)[0] == 1  # uses_arbitration
 
         if self.packet_version >= 5:
-            anti_cheat_protected = br.read_bytes(1)[0] == 1
+            _ = br.read_bytes(1)[0] == 1  # anti_cheat_protected
 
         # Read owner info
         owner_id = br.read_bytes(8)
diff --git a/opengsq/protocols/w40kdow.py b/opengsq/protocols/w40kdow.py
index 7541a5d..e29219b 100644
--- a/opengsq/protocols/w40kdow.py
+++ b/opengsq/protocols/w40kdow.py
@@ -154,9 +154,7 @@ def _parse_broadcast(self, data: bytes, addr: tuple) -> Status:
 
             # Read unknown ASCII field (appears to be a version like "1.0", length in bytes)
             unknown_ascii_len = br.read_long(unsigned=True)
-            unknown_ascii = br.read_bytes(unknown_ascii_len).decode(
-                "ascii", errors="ignore"
-            )
+            _ = br.read_bytes(unknown_ascii_len)  # unknown_ascii, skip for now
 
             # Read map/scenario name (UTF-16LE with length in code units)
             map_scenario_len_units = br.read_long(unsigned=True)
diff --git a/opengsq/protocols/warcraft3.py b/opengsq/protocols/warcraft3.py
index 76d0353..9f01bd6 100644
--- a/opengsq/protocols/warcraft3.py
+++ b/opengsq/protocols/warcraft3.py
@@ -183,9 +183,9 @@ async def get_status(self) -> Status:
         slots_total = int.from_bytes(br.read_bytes(4), "little")
         game_flags = GameFlags(int.from_bytes(br.read_bytes(4), "little"))
         slots_used = int.from_bytes(br.read_bytes(4), "little")
-        slots_available = int.from_bytes(br.read_bytes(4), "little")
-        uptime_seconds = int.from_bytes(br.read_bytes(4), "little")
-        port = int.from_bytes(br.read_bytes(2), "little")
+        _ = int.from_bytes(br.read_bytes(4), "little")  # slots_available
+        _ = int.from_bytes(br.read_bytes(4), "little")  # uptime_seconds
+        _ = int.from_bytes(br.read_bytes(2), "little")  # port
 
         # Store raw data for debugging
         raw = {