diff --git a/backend/app/cmd/backup.go b/backend/app/cmd/backup.go
index 96c22387..4f92ad42 100644
--- a/backend/app/cmd/backup.go
+++ b/backend/app/cmd/backup.go
@@ -22,11 +22,6 @@ type BackupCommand struct {
 	CommonOpts
 }
 
-// SetCommon satisfies main.CommonOptionsCommander interface and sets common options
-func (ec *BackupCommand) SetCommon(commonOpts CommonOpts) {
-	ec.CommonOpts = commonOpts
-}
-
 // Execute runs export with ExportCommand parameters, entry point for "export" command
 func (ec *BackupCommand) Execute(args []string) error {
 	log.Printf("[INFO] export to %s, site %s", ec.ExportPath, ec.Site)
diff --git a/backend/app/cmd/cmd.go b/backend/app/cmd/cmd.go
index 42b6e2bd..6997e175 100644
--- a/backend/app/cmd/cmd.go
+++ b/backend/app/cmd/cmd.go
@@ -19,12 +19,25 @@ import (
 // Revision sets from main
 var Revision = "unknown"
 
+// CommonOptionsCommander extends flags.Commander with SetCommon
+// All commands should implement this interfaces
+type CommonOptionsCommander interface {
+	SetCommon(commonOpts CommonOpts)
+	Execute(args []string) error
+}
+
 // CommonOpts sets externally from main, shared across all commands
 type CommonOpts struct {
 	RemarkURL    string
 	SharedSecret string
 }
 
+// SetCommon satisfies CommonOptionsCommander interface and sets common option fields
+func (c *CommonOpts) SetCommon(commonOpts CommonOpts) {
+	c.RemarkURL = commonOpts.RemarkURL
+	c.SharedSecret = commonOpts.SharedSecret
+}
+
 // fileParser used to convert template strings like blah-{{.SITE}}-{{.YYYYMMDD}} the final format
 type fileParser struct {
 	site string
diff --git a/backend/app/cmd/import.go b/backend/app/cmd/import.go
index cbb56180..d81d4b7c 100644
--- a/backend/app/cmd/import.go
+++ b/backend/app/cmd/import.go
@@ -24,11 +24,6 @@ type ImportCommand struct {
 	CommonOpts
 }
 
-// SetCommon satisfies main.CommonOptionsCommander interface and sets common options
-func (ic *ImportCommand) SetCommon(commonOpts CommonOpts) {
-	ic.CommonOpts = commonOpts
-}
-
 // Execute runs import with ImportCommand parameters, entry point for "import" command
 func (ic *ImportCommand) Execute(args []string) error {
 	log.Printf("[INFO] import %s (%s), site %s", ic.InputFile, ic.Provider, ic.Site)
diff --git a/backend/app/cmd/restore.go b/backend/app/cmd/restore.go
index ce9013c5..fe4589c8 100644
--- a/backend/app/cmd/restore.go
+++ b/backend/app/cmd/restore.go
@@ -15,11 +15,6 @@ type RestoreCommand struct {
 	CommonOpts
 }
 
-// SetCommon satisfies main.CommonOptionsCommander interface and sets common options
-func (rc *RestoreCommand) SetCommon(commonOpts CommonOpts) {
-	rc.CommonOpts = commonOpts
-}
-
 // Execute runs import with RestoreCommand parameters, entry point for "restore" command
 // uses ImportCommand with constructed full file name
 func (rc *RestoreCommand) Execute(args []string) error {
diff --git a/backend/app/cmd/server.go b/backend/app/cmd/server.go
index 40f7b6d9..ebb7167b 100644
--- a/backend/app/cmd/server.go
+++ b/backend/app/cmd/server.go
@@ -130,11 +130,6 @@ type serverApp struct {
 	terminated  chan struct{}
 }
 
-// SetCommon satisfies CommonOptionsCommander interface and sets common options
-func (s *ServerCommand) SetCommon(commonOpts CommonOpts) {
-	s.CommonOpts = commonOpts
-}
-
 // Execute is the entry point for "server" command, called by flag parser
 func (s *ServerCommand) Execute(args []string) error {
 	log.Printf("[INFO] start server on port %d", s.Port)
diff --git a/backend/app/main.go b/backend/app/main.go
index b0ee2da5..00eed26f 100644
--- a/backend/app/main.go
+++ b/backend/app/main.go
@@ -26,13 +26,6 @@ type Opts struct {
 
 var revision = "unknown"
 
-// CommonOptionsCommander extends flags.Commander with SetCommon
-// All commands should implement this interfaces
-type CommonOptionsCommander interface {
-	SetCommon(commonOpts cmd.CommonOpts)
-	Execute(args []string) error
-}
-
 func main() {
 	fmt.Printf("remark42 %s\n", revision)
 	cmd.Revision = revision
@@ -42,7 +35,7 @@ func main() {
 	p.CommandHandler = func(command flags.Commander, args []string) error {
 		setupLog(opts.Dbg)
 		commonOpts := cmd.CommonOpts{RemarkURL: opts.RemarkURL, SharedSecret: opts.SharedSecret}
-		c := command.(CommonOptionsCommander)
+		c := command.(cmd.CommonOptionsCommander)
 		c.SetCommon(commonOpts)
 		err := c.Execute(args)
 		if err != nil {