diff --git a/src/vs/editor/common/config/editorConfigurationSchema.ts b/src/vs/editor/common/config/editorConfigurationSchema.ts
index 27b794ae28f..6d32a349dde 100644
--- a/src/vs/editor/common/config/editorConfigurationSchema.ts
+++ b/src/vs/editor/common/config/editorConfigurationSchema.ts
@@ -214,7 +214,7 @@ const editorConfiguration: IConfigurationNode = {
 		},
 		'diffEditor.experimental.useVersion2': {
 			type: 'boolean',
-			default: true,
+			default: false,
 			description: nls.localize('useVersion2', "Controls whether the diff editor uses the new or the old implementation."),
 		},
 		'diffEditor.experimental.showEmptyDecorations': {