diff --git a/util/util_test.go b/util/util_test.go
index b7bc962..9717cf7 100644
--- a/util/util_test.go
+++ b/util/util_test.go
@@ -4,33 +4,29 @@ import "testing"
 import "github.com/hlandau/ncdns/util"
 
 type item struct {
-	input         string
-	expectedHead  string
-	expectedRest  string
-	expectedError error
+	input        string
+	expectedHead string
+	expectedRest string
 }
 
 var items = []item{
-	item{"", "", "", nil},
-	item{"a", "a", "", nil},
-	item{"alpha", "alpha", "", nil},
-	item{"alpha.beta", "beta", "alpha", nil},
-	item{"alpha.beta.gamma", "gamma", "alpha.beta", nil},
-	item{"alpha.beta.gamma.delta", "delta", "alpha.beta.gamma", nil},
-	item{"alpha.beta.gamma.delta.", "delta", "alpha.beta.gamma", nil},
+	item{"", "", ""},
+	item{"a", "a", ""},
+	item{"alpha", "alpha", ""},
+	item{"alpha.beta", "beta", "alpha"},
+	item{"alpha.beta.gamma", "gamma", "alpha.beta"},
+	item{"alpha.beta.gamma.delta", "delta", "alpha.beta.gamma"},
+	item{"alpha.beta.gamma.delta.", "delta", "alpha.beta.gamma"},
 }
 
 func TestSplitDomainHead(t *testing.T) {
 	for i := range items {
-		head, rest, err := util.SplitDomainHead(items[i].input)
+		head, rest := util.SplitDomainHead(items[i].input)
 		if head != items[i].expectedHead {
 			t.Errorf("Input \"%s\": head \"%s\" does not equal expected value \"%s\"", items[i].input, head, items[i].expectedHead)
 		}
 		if rest != items[i].expectedRest {
 			t.Errorf("Input \"%s\": rest \"%s\" does not equal expected value \"%s\"", items[i].input, rest, items[i].expectedRest)
 		}
-		if err != items[i].expectedError {
-			t.Errorf("Input \"%s\": error \"%s\" does not equal expected value \"%s\"", items[i].input, err, items[i].expectedError)
-		}
 	}
 }