diff --git a/pkg/resmgr/policy/metrics.go b/pkg/resmgr/policy/metrics.go
index 368bb18bf..2fac050ff 100644
--- a/pkg/resmgr/policy/metrics.go
+++ b/pkg/resmgr/policy/metrics.go
@@ -16,7 +16,6 @@ package policy
 
 import (
 	"strconv"
-	"sync"
 
 	"github.com/prometheus/client_golang/prometheus"
 	v1 "k8s.io/api/core/v1"
@@ -29,7 +28,6 @@ import (
 
 type PolicyCollector struct {
 	policy *policy
-	block  sync.Mutex
 }
 
 func (p *policy) newPolicyCollector() *PolicyCollector {
@@ -89,7 +87,7 @@ func (p *policy) newSystemCollector() *SystemCollector {
 		system:  p.system,
 		Nodes:   map[int]*NodeMetric{},
 		Cpus:    map[int]*CpuMetric{},
-		Metrics: make([]*prometheus.GaugeVec, metricsCount, metricsCount),
+		Metrics: make([]*prometheus.GaugeVec, metricsCount),
 	}
 
 	s.Metrics[nodeCapacity] = prometheus.NewGaugeVec(
diff --git a/pkg/resmgr/policy/policy.go b/pkg/resmgr/policy/policy.go
index 8b74d8995..bbc1bac93 100644
--- a/pkg/resmgr/policy/policy.go
+++ b/pkg/resmgr/policy/policy.go
@@ -198,20 +198,12 @@ type ZoneAttribute struct {
 
 // Policy instance/state.
 type policy struct {
-	options   Options          // policy options
-	cache     cache.Cache      // system state cache
-	active    Backend          // our active backend
-	system    system.System    // system/HW/topology info
-	sendEvent SendEventFn      // function to send event up to the resource manager
-	pcollect  *PolicyCollector // policy metrics collector
-	scollect  *SystemCollector // system metrics collector
-}
-
-// backend is a registered Backend.
-type backend struct {
-	name        string   // unique backend name
-	description string   // verbose backend description
-	create      CreateFn // backend creation function
+	options  Options          // policy options
+	cache    cache.Cache      // system state cache
+	active   Backend          // our active backend
+	system   system.System    // system/HW/topology info
+	pcollect *PolicyCollector // policy metrics collector
+	scollect *SystemCollector // system metrics collector
 }
 
 // Out logger instance.
@@ -322,7 +314,10 @@ func (p *policy) ExportResourceData(c cache.Container) {
 		}
 	}
 
-	p.cache.WriteFile(c.GetID(), ExportedResources, 0644, buf.Bytes())
+	err := p.cache.WriteFile(c.GetID(), ExportedResources, 0644, buf.Bytes())
+	if err != nil {
+		log.Warnf("container %s: failed to export resource data: %v", c.PrettyName(), err)
+	}
 }
 
 // GetTopologyZones returns the policy/pool data for 'topology zone' CRDs.