diff --git a/src/bin/dhcp6/tests/dhcp6_srv_unittest.cc b/src/bin/dhcp6/tests/dhcp6_srv_unittest.cc
index d9648bf4ad..8dd2f89274 100644
--- a/src/bin/dhcp6/tests/dhcp6_srv_unittest.cc
+++ b/src/bin/dhcp6/tests/dhcp6_srv_unittest.cc
@@ -8,7 +8,6 @@
 
 #include <asiolink/io_address.h>
 #include <cc/command_interpreter.h>
-#include <config/command_mgr.h>
 #include <config/unix_command_mgr.h>
 #include <config_backend/base_config_backend.h>
 #include <dhcp6/json_config_parser.h>
diff --git a/src/lib/config/unix_command_mgr.cc b/src/lib/config/unix_command_mgr.cc
index 48a0849111..29f3904620 100644
--- a/src/lib/config/unix_command_mgr.cc
+++ b/src/lib/config/unix_command_mgr.cc
@@ -532,7 +532,7 @@ class UnixCommandMgrImpl {
     /// @brief Connection timeout.
     long timeout_;
 
-    /// @brief Use external sockets flag..
+    /// @brief Use external sockets flag.
     bool use_external_;
 
     /// @brief File description to lock name file.