diff --git a/src/_zkapauthorizer/tests/test_model.py b/src/_zkapauthorizer/tests/test_model.py
index 039dcffe7901223c5dc5040359498299deccb2b1..6a0d4450f68f00818af4b10ddfaf3634f430a865 100644
--- a/src/_zkapauthorizer/tests/test_model.py
+++ b/src/_zkapauthorizer/tests/test_model.py
@@ -95,9 +95,6 @@ from ..model import (
     LeaseMaintenanceActivity,
     memory_connect,
 )
-from ..controller import (
-    DummyRedeemer,
-)
 from .strategies import (
     tahoe_configs,
     vouchers,
diff --git a/src/_zkapauthorizer/tests/test_spending.py b/src/_zkapauthorizer/tests/test_spending.py
index 1fc4e36fe0dc99045ab34e1d08c8885006b79f17..bb52eff98f14da6c06e63ed61aa77fbacb228321 100644
--- a/src/_zkapauthorizer/tests/test_spending.py
+++ b/src/_zkapauthorizer/tests/test_spending.py
@@ -51,9 +51,6 @@ from .matchers import (
 from .fixtures import (
     ConfiglessMemoryVoucherStore,
 )
-from ..controller import (
-    DummyRedeemer,
-)
 from ..spending import (
     IPassGroup,
     SpendingController,