diff --git a/api/services/collectionmanager/v1alpha1/manager.pb.go b/api/services/collectionmanager/v1alpha1/manager.pb.go
index 1a8ae4c5..39a020f3 100644
--- a/api/services/collectionmanager/v1alpha1/manager.pb.go
+++ b/api/services/collectionmanager/v1alpha1/manager.pb.go
@@ -342,9 +342,9 @@ type RegistryConfig struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	PlainHttp     bool        `protobuf:"varint,2,opt,name=plain_http,json=plainHttp,proto3" json:"plain_http,omitempty"`
-	SkipTlsVerify bool        `protobuf:"varint,3,opt,name=skip_tls_verify,json=skipTlsVerify,proto3" json:"skip_tls_verify,omitempty"`
-	Auth          *AuthConfig `protobuf:"bytes,4,opt,name=auth,proto3" json:"auth,omitempty"`
+	PlainHttp     bool        `protobuf:"varint,1,opt,name=plain_http,json=plainHttp,proto3" json:"plain_http,omitempty"`
+	SkipTlsVerify bool        `protobuf:"varint,2,opt,name=skip_tls_verify,json=skipTlsVerify,proto3" json:"skip_tls_verify,omitempty"`
+	Auth          *AuthConfig `protobuf:"bytes,3,opt,name=auth,proto3" json:"auth,omitempty"`
 }
 
 func (x *RegistryConfig) Reset() {
@@ -802,11 +802,11 @@ var file_api_services_collectionmanager_v1alpha1_manager_proto_rawDesc = []byte{
 	0x63, 0x74, 0x52, 0x0a, 0x61, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x73, 0x22, 0x80,
 	0x01, 0x0a, 0x0e, 0x52, 0x65, 0x67, 0x69, 0x73, 0x74, 0x72, 0x79, 0x43, 0x6f, 0x6e, 0x66, 0x69,
 	0x67, 0x12, 0x1d, 0x0a, 0x0a, 0x70, 0x6c, 0x61, 0x69, 0x6e, 0x5f, 0x68, 0x74, 0x74, 0x70, 0x18,
-	0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x09, 0x70, 0x6c, 0x61, 0x69, 0x6e, 0x48, 0x74, 0x74, 0x70,
+	0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x09, 0x70, 0x6c, 0x61, 0x69, 0x6e, 0x48, 0x74, 0x74, 0x70,
 	0x12, 0x26, 0x0a, 0x0f, 0x73, 0x6b, 0x69, 0x70, 0x5f, 0x74, 0x6c, 0x73, 0x5f, 0x76, 0x65, 0x72,
-	0x69, 0x66, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0d, 0x73, 0x6b, 0x69, 0x70, 0x54,
+	0x69, 0x66, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0d, 0x73, 0x6b, 0x69, 0x70, 0x54,
 	0x6c, 0x73, 0x56, 0x65, 0x72, 0x69, 0x66, 0x79, 0x12, 0x27, 0x0a, 0x04, 0x61, 0x75, 0x74, 0x68,
-	0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x13, 0x2e, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x72,
+	0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x13, 0x2e, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x72,
 	0x2e, 0x41, 0x75, 0x74, 0x68, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x04, 0x61, 0x75, 0x74,
 	0x68, 0x22, 0xb3, 0x01, 0x0a, 0x0a, 0x41, 0x75, 0x74, 0x68, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67,
 	0x12, 0x1a, 0x0a, 0x08, 0x75, 0x73, 0x65, 0x72, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
diff --git a/api/services/collectionmanager/v1alpha1/manager.proto b/api/services/collectionmanager/v1alpha1/manager.proto
index 5ef26a34..220bff3f 100644
--- a/api/services/collectionmanager/v1alpha1/manager.proto
+++ b/api/services/collectionmanager/v1alpha1/manager.proto
@@ -73,9 +73,9 @@ message File {
 
 // RegistryConfig configuration contains configuration information for connecting to a registry.
 message RegistryConfig {
-  bool plain_http = 2;
-  bool skip_tls_verify = 3;
-  AuthConfig auth = 4;
+  bool plain_http = 1;
+  bool skip_tls_verify = 2;
+  AuthConfig auth = 3;
 }
 
 // AuthConfig contains authorization information for connecting to a registry.
@@ -86,6 +86,3 @@ message AuthConfig {
   string access_token = 4;
   string refresh_token = 5;
 }
-
-
-
diff --git a/registryclient/errors.go b/registryclient/errors.go
deleted file mode 100644
index b28b75b5..00000000
--- a/registryclient/errors.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package registryclient
-
-import "fmt"
-
-// ErrNoAvailableMirrors denotes that all registry mirrors are not accessible.
-type ErrNoAvailableMirrors struct {
-	Registry string
-}
-
-func (e *ErrNoAvailableMirrors) Error() string {
-	return fmt.Sprintf("registry %q: no avaialble mirrors", e.Registry)
-}