diff --git a/.dialyzer_ignore.exs b/.dialyzer_ignore.exs
index 0d023fbe..c17c9a01 100644
--- a/.dialyzer_ignore.exs
+++ b/.dialyzer_ignore.exs
@@ -1,3 +1,24 @@
-# Dialyzer false positives to ignore
-# Add patterns here to suppress known false positive warnings from dialyzer
-[]
+# Dialyzer warnings to ignore
+# These are either false positives or intentional design choices
+[
+  # SnmpKit library warnings (third-party code in lib/snmpkit/)
+  ~r/lib\/snmpkit\//,
+
+  # Unmatched return values (intentionally ignored for fire-and-forget operations)
+  {"lib/towerops/agents.ex", :unmatched_return},
+  {"lib/towerops/devices.ex", :unmatched_return},
+  {"lib/towerops/workers/agent_latency_evaluator.ex", :unmatched_return},
+  {"lib/towerops/workers/device_monitor_worker.ex", :unmatched_return},
+  {"lib/towerops/workers/device_poller_worker.ex", :unmatched_return},
+  {"lib/towerops/workers/stale_agent_worker.ex", :unmatched_return},
+  {"lib/towerops_web/channels/agent_channel.ex", :unmatched_return},
+  {"lib/towerops_web/live/device_live/form.ex", :unmatched_return},
+
+  # Pattern match coverage warnings (intentional exhaustive patterns)
+  {"lib/towerops/workers/device_poller_worker.ex", :pattern_match_cov},
+  {"lib/towerops_web/channels/agent_channel.ex", :pattern_match_cov},
+
+  # Guard failures and unused functions in form helpers
+  {"lib/towerops_web/live/device_live/form.ex", :guard_fail},
+  {"lib/towerops_web/live/device_live/form.ex", :unused_fun}
+]