diff --git a/client/interfaces.go b/client/interfaces.go
index <HASH>..<HASH> 100644
--- a/client/interfaces.go
+++ b/client/interfaces.go
@@ -86,6 +86,9 @@ type InstanceServer interface {
 	CreateCertificateToken(certificate api.CertificatesPost) (op Operation, err error)
 
 	// Container functions
+	//
+	// Deprecated: Those functions are deprecated and won't be updated anymore.
+	// Please use the equivalent Instance function instead.
 	GetContainerNames() (names []string, err error)
 	GetContainers() (containers []api.Container, err error)
 	GetContainersFull() (containers []api.ContainerFull, err error)
diff --git a/client/lxd_containers.go b/client/lxd_containers.go
index <HASH>..<HASH> 100644
--- a/client/lxd_containers.go
+++ b/client/lxd_containers.go
@@ -18,6 +18,9 @@ import (
 )
 
 // Container handling functions
+//
+// Deprecated: Those functions are deprecated and won't be updated anymore.
+// Please use the equivalent Instance function instead.
 
 // GetContainerNames returns a list of container names
 func (r *ProtocolLXD) GetContainerNames() ([]string, error) {
client: Clearly mark container functions as deprecated