diff --git a/decnet/bus/factory.py b/decnet/bus/factory.py
index f7a935ac..6743da1c 100644
--- a/decnet/bus/factory.py
+++ b/decnet/bus/factory.py
@@ -76,7 +76,7 @@ def _maybe_wrap_telemetry(bus: BaseBus) -> BaseBus:
     up at all we no-op.
     """
     try:
-        from decnet.telemetry import wrap_repository  # type: ignore[attr-defined]
+        from decnet.telemetry import wrap_repository
     except ImportError:
         return bus
     try:
diff --git a/decnet/canary/dns_server.py b/decnet/canary/dns_server.py
index 65cc6f60..b8d25756 100644
--- a/decnet/canary/dns_server.py
+++ b/decnet/canary/dns_server.py
@@ -169,10 +169,10 @@ class CanaryDNSProtocol(asyncio.DatagramProtocol):
         self._answer_ip = answer_ip
         self._transport: Optional[asyncio.DatagramTransport] = None
 
-    def connection_made(self, transport) -> None:  # type: ignore[override]
-        self._transport = transport  # type: ignore[assignment]
+    def connection_made(self, transport) -> None:
+        self._transport = transport
 
-    def datagram_received(  # type: ignore[override]
+    def datagram_received(
         self, data: bytes, addr: Tuple[str, int],
     ) -> None:
         try:
diff --git a/decnet/canary/generators/honeydoc_pdf.py b/decnet/canary/generators/honeydoc_pdf.py
index 400271ff..681e134e 100644
--- a/decnet/canary/generators/honeydoc_pdf.py
+++ b/decnet/canary/generators/honeydoc_pdf.py
@@ -43,7 +43,7 @@ class HoneydocPdfGenerator(CanaryGenerator):
 
     def generate(self, ctx: CanaryContext) -> CanaryArtifact:
         try:
-            from pikepdf import Pdf, Name, Dictionary, String  # type: ignore[import-not-found]
+            from pikepdf import Pdf, Name, Dictionary, String
         except ImportError as e:
             raise InstrumenterRejectedError(
                 "honeydoc_pdf requires pikepdf; install it (`pip install "
diff --git a/decnet/canary/instrumenters/image.py b/decnet/canary/instrumenters/image.py
index 69e31ff4..99052a83 100644
--- a/decnet/canary/instrumenters/image.py
+++ b/decnet/canary/instrumenters/image.py
@@ -32,7 +32,7 @@ class ImageInstrumenter(CanaryInstrumenter):
         self, blob: bytes, ctx: CanaryContext, *, target_path: str,
     ) -> CanaryArtifact:
         try:
-            from PIL import Image, PngImagePlugin  # type: ignore[import-not-found]
+            from PIL import Image, PngImagePlugin
         except ImportError as e:
             raise InstrumenterRejectedError(
                 "image instrumenter requires Pillow; install it (`pip "
diff --git a/decnet/canary/instrumenters/pdf.py b/decnet/canary/instrumenters/pdf.py
index 516b6999..e868f8b0 100644
--- a/decnet/canary/instrumenters/pdf.py
+++ b/decnet/canary/instrumenters/pdf.py
@@ -34,7 +34,7 @@ class PdfInstrumenter(CanaryInstrumenter):
         self, blob: bytes, ctx: CanaryContext, *, target_path: str,
     ) -> CanaryArtifact:
         try:
-            import pikepdf  # type: ignore[import-not-found]
+            import pikepdf
         except ImportError as e:
             raise InstrumenterRejectedError(
                 "PDF instrumenter requires pikepdf; install it (`pip "
diff --git a/decnet/canary/worker.py b/decnet/canary/worker.py
index 280a717b..8218136d 100644
--- a/decnet/canary/worker.py
+++ b/decnet/canary/worker.py
@@ -214,7 +214,7 @@ async def _start_dns_server(
         local_addr=(_dns_bind(), _dns_port()),
     )
     log.info("canary.dns listening zone=%s port=%d", zone, _dns_port())
-    return transport  # type: ignore[return-value]
+    return transport
 
 
 # ---------------------------- entry point --------------------------------
diff --git a/decnet/collector/worker.py b/decnet/collector/worker.py
index da548d29..0d8717b6 100644
--- a/decnet/collector/worker.py
+++ b/decnet/collector/worker.py
@@ -346,7 +346,7 @@ def _stream_container(
     publish_fn: CollectorPublishFn | None = None,
 ) -> None:
     """Stream logs from one container and append to the host log files."""
-    import docker  # type: ignore[import]
+    import docker
 
     lf: Optional[Any] = None
     jf: Optional[Any] = None
@@ -450,7 +450,7 @@ async def log_collector_worker(log_file: str) -> None:
 
     Watches Docker events to pick up containers started after initial scan.
     """
-    import docker  # type: ignore[import]
+    import docker
 
     log_path = Path(log_file)
     json_path = log_path.with_suffix(".json")
diff --git a/decnet/topology/validate.py b/decnet/topology/validate.py
index 338e55e9..bc241659 100644
--- a/decnet/topology/validate.py
+++ b/decnet/topology/validate.py
@@ -305,7 +305,7 @@ def check_no_host_port_collision(h: dict[str, Any]) -> list[ValidationIssue]:
         return []
 
     try:
-        import psutil  # type: ignore
+        import psutil
         bound = {
             c.laddr.port
             for c in psutil.net_connections(kind="inet")
diff --git a/decnet/vectorstore/sqlite_vec.py b/decnet/vectorstore/sqlite_vec.py
index b38c414d..46b46ca1 100644
--- a/decnet/vectorstore/sqlite_vec.py
+++ b/decnet/vectorstore/sqlite_vec.py
@@ -45,7 +45,7 @@ class SqliteVecUnavailable(RuntimeError):
 
 def _load_sqlite_vec(conn: sqlite3.Connection) -> None:
     try:
-        import sqlite_vec  # type: ignore[import-untyped]
+        import sqlite_vec
     except ImportError as e:
         raise SqliteVecUnavailable("sqlite_vec package not installed") from e
     try:
diff --git a/decnet/web/worker_registry.py b/decnet/web/worker_registry.py
index 2db56d5d..c36e076a 100644
--- a/decnet/web/worker_registry.py
+++ b/decnet/web/worker_registry.py
@@ -99,7 +99,7 @@ class WorkerRegistry:
             payload.pop("ts", None)
             out.append(WorkerStatus(
                 name=name,
-                status=status,  # type: ignore[arg-type]
+                status=status,
                 last_heartbeat_ts=ts,
                 seconds_since=seconds_since,
                 extra=payload,