diff --git a/internal/repository/testing.go b/internal/repository/testing.go
index 874d179ce..9fb643a46 100644
--- a/internal/repository/testing.go
+++ b/internal/repository/testing.go
@@ -60,8 +60,11 @@ func TestRepositoryWithBackend(t testing.TB, be backend.Backend, version uint, o
 		t.Fatalf("TestRepository(): new repo failed: %v", err)
 	}
 
-	cfg := restic.TestCreateConfig(t, testChunkerPol, version)
-	err = repo.init(context.TODO(), test.TestPassword, cfg)
+	if version == 0 {
+		version = restic.StableRepoVersion
+	}
+	pol := testChunkerPol
+	err = repo.Init(context.TODO(), version, test.TestPassword, &pol)
 	if err != nil {
 		t.Fatalf("TestRepository(): initialize repo failed: %v", err)
 	}
diff --git a/internal/restic/config.go b/internal/restic/config.go
index 67af259ba..3fb61cc13 100644
--- a/internal/restic/config.go
+++ b/internal/restic/config.go
@@ -51,22 +51,6 @@ func CreateConfig(version uint) (Config, error) {
 	return cfg, nil
 }
 
-// TestCreateConfig creates a config for use within tests.
-func TestCreateConfig(t testing.TB, pol chunker.Pol, version uint) (cfg Config) {
-	cfg.ChunkerPolynomial = pol
-
-	cfg.ID = NewRandomID().String()
-	if version == 0 {
-		version = StableRepoVersion
-	}
-	if version < MinRepoVersion || version > MaxRepoVersion {
-		t.Fatalf("version %d is out of range", version)
-	}
-	cfg.Version = version
-
-	return cfg
-}
-
 var checkPolynomial = true
 var checkPolynomialOnce sync.Once