diff --git a/cateditor/src/components/CatalogContents.vue b/cateditor/src/components/CatalogContents.vue
index e0e8ced..9c498f9 100644
--- a/cateditor/src/components/CatalogContents.vue
+++ b/cateditor/src/components/CatalogContents.vue
@@ -184,12 +184,12 @@ export default {
   },
 
   methods: {
-    selectSection: function(id) {
+    selectSection(id) {
       console.log('select section', id)
       this.$store.dispatch('selectSection', id)
     },
 
-    selectModel: function(id) {
+    selectModel(id) {
       console.log('select model', id)
       this.$store.dispatch('selectModel', id)
     },
@@ -204,7 +204,7 @@ export default {
       }
     },
 
-    sectionListItemClasses: function(id, hovering) {
+    sectionListItemClasses(id, hovering) {
       if (id === this.selectedSectionID) {
         return 'list-item primary'
       } else if (hovering) {
@@ -214,7 +214,7 @@ export default {
       }
     },
 
-    modelListItemClasses: function(id, hovering) {
+    modelListItemClasses(id, hovering) {
       if (id === this.selectedModelID) {
         return 'list-item primary'
       } else if (hovering) {
@@ -224,7 +224,7 @@ export default {
       }
     },
 
-    materialListItemClasses: function(id, hovering) {
+    materialListItemClasses(id, hovering) {
       if (hovering) {
         return 'list-item grey lighten-4'
       } else {
@@ -232,14 +232,14 @@ export default {
       }
     },
 
-    reorderModel: function(fromIndex, toIndex) {
+    reorderModel(fromIndex, toIndex) {
       let models = this.selectedModels
       arrayMove.mutate(models, fromIndex, toIndex)
       let pages = paginateModels(models)
       this.setSectionPages({ section: this.selectedSection, pages: pages })
     },
 
-    reorderMaterial: function(fromIndex, toIndex) {
+    reorderMaterial(fromIndex, toIndex) {
       let mats = this.selectedMaterials
       arrayMove.mutate(mats, fromIndex, toIndex)
       this.setModelMaterials({ model: this.selectedModel, materials: mats })