diff --git a/dnsfilter/dnsfilter_test.go b/dnsfilter/dnsfilter_test.go
index 15ecec80..06658afd 100644
--- a/dnsfilter/dnsfilter_test.go
+++ b/dnsfilter/dnsfilter_test.go
@@ -30,13 +30,13 @@ var setts RequestFilteringSettings
 
 func purgeCaches() {
 	if gctx.safebrowsingCache != nil {
-		gctx.safebrowsingCache.Reset()
+		gctx.safebrowsingCache.Purge()
 	}
 	if gctx.parentalCache != nil {
-		gctx.parentalCache.Reset()
+		gctx.parentalCache.Purge()
 	}
 	if gctx.safeSearchCache != nil {
-		gctx.safeSearchCache.Reset()
+		gctx.safeSearchCache.Purge()
 	}
 }
 
@@ -51,10 +51,6 @@ func NewForTest(c *Config, filters map[int]string) *Dnsfilter {
 	setts = RequestFilteringSettings{}
 	setts.FilteringEnabled = true
 	if c != nil {
-		c.SafeBrowsingCacheSize = 1024
-		c.SafeSearchCacheSize = 1024
-		c.ParentalCacheSize = 1024
-
 		setts.SafeSearchEnabled = c.SafeSearchEnabled
 		setts.SafeBrowsingEnabled = c.SafeBrowsingEnabled
 		setts.ParentalEnabled = c.ParentalEnabled
diff --git a/dnsforward/dnsforward_test.go b/dnsforward/dnsforward_test.go
index d190ea37..6b685510 100644
--- a/dnsforward/dnsforward_test.go
+++ b/dnsforward/dnsforward_test.go
@@ -458,10 +458,6 @@ func createTestServer(t *testing.T) *Server {
 	s.conf.FilteringConfig.SafeBrowsingEnabled = true
 	s.conf.Filters = make([]dnsfilter.Filter, 0)
 
-	s.conf.SafeBrowsingCacheSize = 1024
-	s.conf.SafeSearchCacheSize = 1024
-	s.conf.ParentalCacheSize = 1024
-
 	rules := "||nxdomain.example.org^\n||null.example.org^\n127.0.0.1	host.example.org\n"
 	filter := dnsfilter.Filter{ID: 0, Data: []byte(rules)}
 	s.conf.Filters = append(s.conf.Filters, filter)