diff --git a/src/chart/pie/PieSeries.ts b/src/chart/pie/PieSeries.ts
index d9ecd98c2b..997e0b36cc 100644
--- a/src/chart/pie/PieSeries.ts
+++ b/src/chart/pie/PieSeries.ts
@@ -62,6 +62,10 @@ interface PieLabelOption extends Omit<SeriesLabelOption, 'rotate' | 'position'>
     rotate?: number
     alignTo?: 'none' | 'labelLine' | 'edge'
     edgeDistance?: string | number
+    /**
+     * @deprecated Use `edgeDistance` instead
+     */
+    margin?: string | number
     bleedMargin?: number
     distanceToLabelLine?: number
 
diff --git a/tsconfig.json b/tsconfig.json
index 5c9fc9b2a2..e44ef3ac08 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,7 @@
         "noImplicitAny": true,
         "noImplicitThis": true,
         "strictBindCallApply": true,
-        "removeComments": true,
+        "removeComments": false,
         "sourceMap": true,
 
         // https://github.com/ezolenko/rollup-plugin-typescript2/issues/12#issuecomment-536173372