diff --git a/findmy/reports/account.py b/findmy/reports/account.py
index f6cb584..64381e1 100644
--- a/findmy/reports/account.py
+++ b/findmy/reports/account.py
@@ -237,15 +237,6 @@ class BaseAppleAccount(Closable, ABC):
         date_to: datetime | None,
     ) -> MaybeCoro[list[LocationReport]]: ...
 
-    @overload
-    @abstractmethod
-    def fetch_reports(
-        self,
-        keys: Sequence[HasHashedPublicKey],
-        date_from: datetime,
-        date_to: datetime | None,
-    ) -> MaybeCoro[dict[HasHashedPublicKey, list[LocationReport]]]: ...
-
     @overload
     @abstractmethod
     def fetch_reports(
@@ -256,26 +247,24 @@ class BaseAppleAccount(Closable, ABC):
     ) -> MaybeCoro[list[LocationReport]]: ...
 
     @overload
+    @abstractmethod
     def fetch_reports(
         self,
-        keys: Sequence[RollingKeyPairSource],
+        keys: Sequence[HasHashedPublicKey | RollingKeyPairSource],
         date_from: datetime,
         date_to: datetime | None,
-    ) -> MaybeCoro[dict[RollingKeyPairSource, list[LocationReport]]]: ...
+    ) -> MaybeCoro[dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]]: ...
 
     @abstractmethod
     def fetch_reports(
         self,
         keys: HasHashedPublicKey
-        | Sequence[HasHashedPublicKey]
-        | RollingKeyPairSource
-        | Sequence[RollingKeyPairSource],
+        | Sequence[HasHashedPublicKey | RollingKeyPairSource]
+        | RollingKeyPairSource,
         date_from: datetime,
         date_to: datetime | None,
     ) -> MaybeCoro[
-        list[LocationReport]
-        | dict[HasHashedPublicKey, list[LocationReport]]
-        | dict[RollingKeyPairSource, list[LocationReport]]
+        list[LocationReport] | dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]
     ]:
         """
         Fetch location reports for `HasHashedPublicKey`s between `date_from` and `date_end`.
@@ -292,14 +281,6 @@ class BaseAppleAccount(Closable, ABC):
         hours: int = 7 * 24,
     ) -> MaybeCoro[list[LocationReport]]: ...
 
-    @overload
-    @abstractmethod
-    def fetch_last_reports(
-        self,
-        keys: Sequence[HasHashedPublicKey],
-        hours: int = 7 * 24,
-    ) -> MaybeCoro[dict[HasHashedPublicKey, list[LocationReport]]]: ...
-
     @overload
     @abstractmethod
     def fetch_last_reports(
@@ -312,22 +293,19 @@ class BaseAppleAccount(Closable, ABC):
     @abstractmethod
     def fetch_last_reports(
         self,
-        keys: Sequence[RollingKeyPairSource],
+        keys: Sequence[HasHashedPublicKey | RollingKeyPairSource],
         hours: int = 7 * 24,
-    ) -> MaybeCoro[dict[RollingKeyPairSource, list[LocationReport]]]: ...
+    ) -> MaybeCoro[dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]]: ...
 
     @abstractmethod
     def fetch_last_reports(
         self,
         keys: HasHashedPublicKey
-        | Sequence[HasHashedPublicKey]
         | RollingKeyPairSource
-        | Sequence[RollingKeyPairSource],
+        | Sequence[HasHashedPublicKey | RollingKeyPairSource],
         hours: int = 7 * 24,
     ) -> MaybeCoro[
-        list[LocationReport]
-        | dict[HasHashedPublicKey, list[LocationReport]]
-        | dict[RollingKeyPairSource, list[LocationReport]]
+        list[LocationReport] | dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]
     ]:
         """
         Fetch location reports for a sequence of `HasHashedPublicKey`s for the last `hours` hours.
@@ -665,14 +643,6 @@ class AsyncAppleAccount(BaseAppleAccount):
         date_to: datetime | None,
     ) -> list[LocationReport]: ...
 
-    @overload
-    async def fetch_reports(
-        self,
-        keys: Sequence[HasHashedPublicKey],
-        date_from: datetime,
-        date_to: datetime | None,
-    ) -> dict[HasHashedPublicKey, list[LocationReport]]: ...
-
     @overload
     async def fetch_reports(
         self,
@@ -684,25 +654,22 @@ class AsyncAppleAccount(BaseAppleAccount):
     @overload
     async def fetch_reports(
         self,
-        keys: Sequence[RollingKeyPairSource],
+        keys: Sequence[HasHashedPublicKey | RollingKeyPairSource],
         date_from: datetime,
         date_to: datetime | None,
-    ) -> dict[RollingKeyPairSource, list[LocationReport]]: ...
+    ) -> dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]: ...
 
     @require_login_state(LoginState.LOGGED_IN)
     @override
     async def fetch_reports(
         self,
         keys: HasHashedPublicKey
-        | Sequence[HasHashedPublicKey]
         | RollingKeyPairSource
-        | Sequence[RollingKeyPairSource],
+        | Sequence[HasHashedPublicKey | RollingKeyPairSource],
         date_from: datetime,
         date_to: datetime | None,
     ) -> (
-        list[LocationReport]
-        | dict[HasHashedPublicKey, list[LocationReport]]
-        | dict[RollingKeyPairSource, list[LocationReport]]
+        list[LocationReport] | dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]
     ):
         """See `BaseAppleAccount.fetch_reports`."""
         date_to = date_to or datetime.now().astimezone()
@@ -720,13 +687,6 @@ class AsyncAppleAccount(BaseAppleAccount):
         hours: int = 7 * 24,
     ) -> list[LocationReport]: ...
 
-    @overload
-    async def fetch_last_reports(
-        self,
-        keys: Sequence[HasHashedPublicKey],
-        hours: int = 7 * 24,
-    ) -> dict[HasHashedPublicKey, list[LocationReport]]: ...
-
     @overload
     async def fetch_last_reports(
         self,
@@ -737,23 +697,20 @@ class AsyncAppleAccount(BaseAppleAccount):
     @overload
     async def fetch_last_reports(
         self,
-        keys: Sequence[RollingKeyPairSource],
+        keys: Sequence[HasHashedPublicKey | RollingKeyPairSource],
         hours: int = 7 * 24,
-    ) -> dict[RollingKeyPairSource, list[LocationReport]]: ...
+    ) -> dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]: ...
 
     @require_login_state(LoginState.LOGGED_IN)
     @override
     async def fetch_last_reports(
         self,
         keys: HasHashedPublicKey
-        | Sequence[HasHashedPublicKey]
         | RollingKeyPairSource
-        | Sequence[RollingKeyPairSource],
+        | Sequence[HasHashedPublicKey | RollingKeyPairSource],
         hours: int = 7 * 24,
     ) -> (
-        list[LocationReport]
-        | dict[HasHashedPublicKey, list[LocationReport]]
-        | dict[RollingKeyPairSource, list[LocationReport]]
+        list[LocationReport] | dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]
     ):
         """See `BaseAppleAccount.fetch_last_reports`."""
         end = datetime.now(tz=timezone.utc)
@@ -1093,14 +1050,6 @@ class AppleAccount(BaseAppleAccount):
         date_to: datetime | None,
     ) -> list[LocationReport]: ...
 
-    @overload
-    def fetch_reports(
-        self,
-        keys: Sequence[HasHashedPublicKey],
-        date_from: datetime,
-        date_to: datetime | None,
-    ) -> dict[HasHashedPublicKey, list[LocationReport]]: ...
-
     @overload
     def fetch_reports(
         self,
@@ -1112,24 +1061,21 @@ class AppleAccount(BaseAppleAccount):
     @overload
     def fetch_reports(
         self,
-        keys: Sequence[RollingKeyPairSource],
+        keys: Sequence[HasHashedPublicKey | RollingKeyPairSource],
         date_from: datetime,
         date_to: datetime | None,
-    ) -> dict[RollingKeyPairSource, list[LocationReport]]: ...
+    ) -> dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]: ...
 
     @override
     def fetch_reports(
         self,
         keys: HasHashedPublicKey
-        | Sequence[HasHashedPublicKey]
-        | RollingKeyPairSource
-        | Sequence[RollingKeyPairSource],
+        | Sequence[HasHashedPublicKey | RollingKeyPairSource]
+        | RollingKeyPairSource,
         date_from: datetime,
         date_to: datetime | None,
     ) -> (
-        list[LocationReport]
-        | dict[HasHashedPublicKey, list[LocationReport]]
-        | dict[RollingKeyPairSource, list[LocationReport]]
+        list[LocationReport] | dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]
     ):
         """See `AsyncAppleAccount.fetch_reports`."""
         coro = self._asyncacc.fetch_reports(keys, date_from, date_to)
@@ -1142,13 +1088,6 @@ class AppleAccount(BaseAppleAccount):
         hours: int = 7 * 24,
     ) -> list[LocationReport]: ...
 
-    @overload
-    def fetch_last_reports(
-        self,
-        keys: Sequence[HasHashedPublicKey],
-        hours: int = 7 * 24,
-    ) -> dict[HasHashedPublicKey, list[LocationReport]]: ...
-
     @overload
     def fetch_last_reports(
         self,
@@ -1159,22 +1098,19 @@ class AppleAccount(BaseAppleAccount):
     @overload
     def fetch_last_reports(
         self,
-        keys: Sequence[RollingKeyPairSource],
+        keys: Sequence[HasHashedPublicKey | RollingKeyPairSource],
         hours: int = 7 * 24,
-    ) -> dict[RollingKeyPairSource, list[LocationReport]]: ...
+    ) -> dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]: ...
 
     @override
     def fetch_last_reports(
         self,
         keys: HasHashedPublicKey
-        | Sequence[HasHashedPublicKey]
         | RollingKeyPairSource
-        | Sequence[RollingKeyPairSource],
+        | Sequence[HasHashedPublicKey | RollingKeyPairSource],
         hours: int = 7 * 24,
     ) -> (
-        list[LocationReport]
-        | dict[HasHashedPublicKey, list[LocationReport]]
-        | dict[RollingKeyPairSource, list[LocationReport]]
+        list[LocationReport] | dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]
     ):
         """See `AsyncAppleAccount.fetch_last_reports`."""
         coro = self._asyncacc.fetch_last_reports(keys, hours)
diff --git a/findmy/reports/reports.py b/findmy/reports/reports.py
index 27057f5..8502d45 100644
--- a/findmy/reports/reports.py
+++ b/findmy/reports/reports.py
@@ -245,14 +245,6 @@ class LocationReportsFetcher:
         device: HasHashedPublicKey,
     ) -> list[LocationReport]: ...
 
-    @overload
-    async def fetch_reports(
-        self,
-        date_from: datetime,
-        date_to: datetime,
-        device: Sequence[HasHashedPublicKey],
-    ) -> dict[HasHashedPublicKey, list[LocationReport]]: ...
-
     @overload
     async def fetch_reports(
         self,
@@ -266,43 +258,34 @@ class LocationReportsFetcher:
         self,
         date_from: datetime,
         date_to: datetime,
-        device: Sequence[RollingKeyPairSource],
-    ) -> dict[RollingKeyPairSource, list[LocationReport]]: ...
+        device: Sequence[HasHashedPublicKey | RollingKeyPairSource],
+    ) -> dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]: ...
 
     async def fetch_reports(
         self,
         date_from: datetime,
         date_to: datetime,
         device: HasHashedPublicKey
-        | Sequence[HasHashedPublicKey]
         | RollingKeyPairSource
-        | Sequence[RollingKeyPairSource],
+        | Sequence[HasHashedPublicKey | RollingKeyPairSource],
     ) -> (
-        list[LocationReport]
-        | dict[HasHashedPublicKey, list[LocationReport]]
-        | dict[RollingKeyPairSource, list[LocationReport]]
+        list[LocationReport] | dict[HasHashedPublicKey | RollingKeyPairSource, list[LocationReport]]
     ):
         """
         Fetch location reports for a certain device.
 
         When ``device`` is a single :class:`.HasHashedPublicKey`, this method will return
         a list of location reports corresponding to that key.
-        When ``device`` is a sequence of :class:`.HasHashedPublicKey`s, it will return a dictionary
-        with the :class:`.HasHashedPublicKey` as key, and a list of location reports as value.
         When ``device`` is a :class:`.RollingKeyPairSource`, it will return a list of
         location reports corresponding to that source.
+        When ``device`` is a sequence of :class:`.HasHashedPublicKey`s or RollingKeyPairSource's,
+        it will return a dictionary with the :class:`.HasHashedPublicKey` or `.RollingKeyPairSource`
+        as key, and a list of location reports as value.
         """
-        key_devs: (
-            dict[HasHashedPublicKey, HasHashedPublicKey]
-            | dict[HasHashedPublicKey, RollingKeyPairSource]
-        ) = {}
+        key_devs: dict[HasHashedPublicKey, HasHashedPublicKey | RollingKeyPairSource] = {}
         if isinstance(device, HasHashedPublicKey):
             # single key
             key_devs = {device: device}
-        elif isinstance(device, list) and all(isinstance(x, HasHashedPublicKey) for x in device):
-            # multiple static keys
-            device = cast("list[HasHashedPublicKey]", device)
-            key_devs = {key: key for key in device}
         elif isinstance(device, RollingKeyPairSource):
             # key generator
             #   add 12h margin to the generator
@@ -313,13 +296,17 @@ class LocationReportsFetcher:
                     date_to + timedelta(hours=12),
                 )
             }
-        elif isinstance(device, list) and all(isinstance(x, RollingKeyPairSource) for x in device):
+
+        elif isinstance(device, list) and all(
+            isinstance(x, HasHashedPublicKey | RollingKeyPairSource) for x in device
+        ):
             # multiple key generators
             #   add 12h margin to each generator
-            device = cast("list[RollingKeyPairSource]", device)
-            key_devs = {
+            device = cast("list[HasHashedPublicKey | RollingKeyPairSource]", device)
+            key_devs = {key: key for key in device if isinstance(key, HasHashedPublicKey)} | {
                 key: dev
                 for dev in device
+                if isinstance(dev, RollingKeyPairSource)
                 for key in dev.keys_between(
                     date_from - timedelta(hours=12),
                     date_to + timedelta(hours=12),