diff --git a/src/st/st-theme.c b/src/st/st-theme.c
index 2dab983b4..9ad40f717 100644
--- a/src/st/st-theme.c
+++ b/src/st/st-theme.c
@@ -909,6 +909,10 @@ add_matched_properties (StTheme      *a_this,
               }
           }
           break;
+        case AT_RULE_STMT:
+        case AT_PAGE_RULE_STMT:
+        case AT_CHARSET_RULE_STMT:
+        case AT_FONT_FACE_RULE_STMT:
         default:
           break;
         }
diff --git a/src/st/st-widget.c b/src/st/st-widget.c
index c0968c8c7..d93f1a49d 100644
--- a/src/st/st-widget.c
+++ b/src/st/st-widget.c
@@ -1849,6 +1849,8 @@ filter_by_position (GList            *children,
             continue;
           break;
 
+        case GTK_DIR_TAB_BACKWARD:
+        case GTK_DIR_TAB_FORWARD:
         default:
           g_return_val_if_reached (NULL);
         }
@@ -2014,6 +2016,8 @@ st_widget_real_navigate_focus (StWidget         *widget,
             case GTK_DIR_RIGHT:
               sort_box.x2 = sort_box.x1;
               break;
+            case GTK_DIR_TAB_FORWARD:
+            case GTK_DIR_TAB_BACKWARD:
             default:
               g_warn_if_reached ();
             }