diff --git a/src/vs/workbench/contrib/customEditor/browser/customEditors.ts b/src/vs/workbench/contrib/customEditor/browser/customEditors.ts
index 5d6073ed45119b52c4207af70fe036dd9a8b5a67..0c2b2904f64685f10f8fd471797f44da9b9a4140 100644
--- a/src/vs/workbench/contrib/customEditor/browser/customEditors.ts
+++ b/src/vs/workbench/contrib/customEditor/browser/customEditors.ts
@@ -170,7 +170,7 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ
 				// And persist the setting
 				if (pick) {
 					const newAssociation: CustomEditorAssociation = { viewType: pick, filenamePattern: '*' + resourceExt };
-					const currentAssociations = [...this.configurationService.getValue<CustomEditorsAssociations>(customEditorsAssociationsSettingId)] || [];
+					const currentAssociations = [...this.configurationService.getValue<CustomEditorsAssociations>(customEditorsAssociationsSettingId)];
 
 					// First try updating existing association
 					for (let i = 0; i < currentAssociations.length; ++i) {
diff --git a/src/vs/workbench/contrib/files/browser/fileActions.ts b/src/vs/workbench/contrib/files/browser/fileActions.ts
index 919bb81e5444087cf1bb1c162c16105d1761ba9c..5608ef032570bb16187496c9686d19ec7b99771c 100644
--- a/src/vs/workbench/contrib/files/browser/fileActions.ts
+++ b/src/vs/workbench/contrib/files/browser/fileActions.ts
@@ -608,7 +608,7 @@ export class ReopenResourcesAction extends Action {
 				// And persist the setting
 				if (pick && id) {
 					const newAssociation: CustomEditorAssociation = { viewType: id, filenamePattern: '*' + resourceExt };
-					const currentAssociations = [...this.configurationService.getValue<CustomEditorsAssociations>(customEditorsAssociationsSettingId)] || [];
+					const currentAssociations = [...this.configurationService.getValue<CustomEditorsAssociations>(customEditorsAssociationsSettingId)];
 
 					// First try updating existing association
 					for (let i = 0; i < currentAssociations.length; ++i) {