diff --git a/pycroft/lib/net.py b/pycroft/lib/net.py
index a7f9bebba..6e2a6e963 100644
--- a/pycroft/lib/net.py
+++ b/pycroft/lib/net.py
@@ -28,19 +28,6 @@ def __init__(self) -> None:
         super().__init__("MAC address already exists")
 
 
-def get_unused_ips(
-    subnets: t.Iterable[Subnet],
-) -> dict[Subnet, t.Iterator[netaddr.IPAddress]]:
-    import warnings
-
-    warnings.warn(
-        "Use `subnet.iter_unused_ips()` instead of `net.get_unused_ips`",
-        DeprecationWarning,
-        stacklevel=2,
-    )
-    return {subnet: subnet.unused_ips_iter() for subnet in subnets}
-
-
 def get_free_ip(subnets: t.Iterable[Subnet]) -> tuple[netaddr.IPAddress, Subnet]:
     try:
         return next((ip, subnet) for subnet in subnets for ip in subnet.unused_ips_iter())
diff --git a/web/blueprints/host/__init__.py b/web/blueprints/host/__init__.py
index b20f8bc55..7924a59ba 100644
--- a/web/blueprints/host/__init__.py
+++ b/web/blueprints/host/__init__.py
@@ -9,7 +9,7 @@
 from pycroft.exc import PycroftException
 from pycroft.helpers.net import mac_regex, get_interface_manufacturer
 from pycroft.lib import host as lib_host
-from pycroft.lib.net import get_subnets_for_room, get_unused_ips
+from pycroft.lib.net import get_subnets_for_room
 from pycroft.lib.facilities import get_room
 from pycroft.model import session
 from pycroft.model.host import Host, Interface
@@ -247,10 +247,10 @@ def interface_edit(interface_id: int) -> ResponseReturnValue:
 
     subnets = get_subnets_for_room(interface.host.room)
     current_ips = [ip.address for ip in interface.ips]
+    unused_ips = [ip for subnet in subnets for ip in subnet.unused_ips_iter()]
 
     form = InterfaceForm(obj=interface)
     form.meta.current_mac = interface.mac
-    unused_ips = [ip for ips in get_unused_ips(subnets).values() for ip in ips]
     form.ips.choices = [(str(ip), str(ip)) for ip in current_ips + unused_ips]
 
     def default_response() -> ResponseReturnValue:
@@ -287,7 +287,7 @@ def interface_create(host_id: int) -> ResponseReturnValue:
     host = get_host_or_404(host_id)
     subnets = get_subnets_for_room(host.room)
     form = InterfaceForm()
-    unused_ips = [ip for ips in get_unused_ips(subnets).values() for ip in ips]
+    unused_ips = [ip for subnet in subnets for ip in subnet.unused_ips_iter()]
     form.ips.choices = [(str(ip), str(ip)) for ip in unused_ips]
 
     def default_response() -> ResponseReturnValue: