diff --git a/api/autopilot.go b/api/autopilot.go
index 3938d42b7..9ca917f6e 100644
--- a/api/autopilot.go
+++ b/api/autopilot.go
@@ -123,7 +123,7 @@ type (
 			} `json:"gouging"`
 			NotAcceptingContracts uint64 `json:"notAcceptingContracts"`
 			NotScanned            uint64 `json:"notScanned"`
-		}
+		} `json:"unusable"`
 		Recommendation *ConfigRecommendation `json:"recommendation,omitempty"`
 	}
 )
diff --git a/bus/client/client_test.go b/bus/client/client_test.go
index 9cd1e80e7..795439669 100644
--- a/bus/client/client_test.go
+++ b/bus/client/client_test.go
@@ -80,7 +80,6 @@ func newTestClient(dir string) (*client.Client, func() error, func(context.Conte
 		},
 		Miner:               node.NewMiner(client),
 		SlabPruningInterval: time.Minute,
-		SlabPruningCooldown: time.Minute,
 	}, filepath.Join(dir, "bus"), types.GeneratePrivateKey(), zap.New(zapcore.NewNopCore()))
 	if err != nil {
 		return nil, nil, nil, err
diff --git a/cmd/renterd/main.go b/cmd/renterd/main.go
index 3005b4b34..c569b304b 100644
--- a/cmd/renterd/main.go
+++ b/cmd/renterd/main.go
@@ -436,7 +436,6 @@ func main() {
 		Bus:                 cfg.Bus,
 		Network:             network,
 		SlabPruningInterval: time.Hour,
-		SlabPruningCooldown: 30 * time.Second,
 	}
 	// Init db dialector
 	if cfg.Database.MySQL.URI != "" {
diff --git a/internal/node/node.go b/internal/node/node.go
index d247f199a..293363653 100644
--- a/internal/node/node.go
+++ b/internal/node/node.go
@@ -45,7 +45,6 @@ type BusConfig struct {
 	DBDialector         gorm.Dialector
 	DBMetricsDialector  gorm.Dialector
 	SlabPruningInterval time.Duration
-	SlabPruningCooldown time.Duration
 }
 
 type AutopilotConfig struct {
diff --git a/internal/test/e2e/cluster.go b/internal/test/e2e/cluster.go
index 1a8c016c6..dca4390f5 100644
--- a/internal/test/e2e/cluster.go
+++ b/internal/test/e2e/cluster.go
@@ -168,7 +168,7 @@ type testClusterOptions struct {
 
 // newTestLogger creates a console logger used for testing.
 func newTestLogger() *zap.Logger {
-	return newTestLoggerCustom(zapcore.ErrorLevel)
+	return newTestLoggerCustom(zapcore.DebugLevel)
 }
 
 // newTestLoggerCustom creates a console logger used for testing and allows
@@ -896,7 +896,6 @@ func testBusCfg() node.BusConfig {
 		},
 		Network:             testNetwork(),
 		SlabPruningInterval: time.Second,
-		SlabPruningCooldown: 10 * time.Millisecond,
 	}
 }
 
diff --git a/internal/test/e2e/cluster_test.go b/internal/test/e2e/cluster_test.go
index a91858aef..72ac4b95b 100644
--- a/internal/test/e2e/cluster_test.go
+++ b/internal/test/e2e/cluster_test.go
@@ -27,7 +27,6 @@ import (
 	"go.sia.tech/renterd/object"
 	"go.sia.tech/renterd/wallet"
 	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
 	"lukechampine.com/frand"
 )
 
@@ -1453,9 +1452,7 @@ func TestWalletTransactions(t *testing.T) {
 		t.SkipNow()
 	}
 
-	cluster := newTestCluster(t, testClusterOptions{
-		logger: newTestLoggerCustom(zapcore.DebugLevel),
-	})
+	cluster := newTestCluster(t, clusterOptsDefault)
 	defer cluster.Shutdown()
 	b := cluster.Bus
 	tt := cluster.tt
@@ -1709,9 +1706,7 @@ func TestWallet(t *testing.T) {
 		t.SkipNow()
 	}
 
-	cluster := newTestCluster(t, testClusterOptions{
-		logger: newTestLoggerCustom(zapcore.DebugLevel),
-	})
+	cluster := newTestCluster(t, clusterOptsDefault)
 	defer cluster.Shutdown()
 	b := cluster.Bus
 	tt := cluster.tt
@@ -1916,9 +1911,7 @@ func TestAlerts(t *testing.T) {
 		t.SkipNow()
 	}
 
-	cluster := newTestCluster(t, testClusterOptions{
-		logger: newTestLoggerCustom(zapcore.DebugLevel),
-	})
+	cluster := newTestCluster(t, clusterOptsDefault)
 	defer cluster.Shutdown()
 	b := cluster.Bus
 	tt := cluster.tt