diff --git a/packages/babel-generator/src/index.js b/packages/babel-generator/src/index.js
index d45137d187..f660233c6e 100644
--- a/packages/babel-generator/src/index.js
+++ b/packages/babel-generator/src/index.js
@@ -20,7 +20,6 @@ class Generator extends Printer {
 
     super(format, map);
 
-    this.opts     = opts;
     this.ast      = ast;
 
     this._whitespace = tokens.length > 0 ? new Whitespace(tokens) : null;
@@ -43,10 +42,7 @@ class Generator extends Printer {
     }
   };
 
-  auxiliaryCommentBefore: string;
-  auxiliaryCommentAfter: string;
   _whitespace: Whitespace;
-  opts: Object;
   ast: Object;
 
   /**
diff --git a/packages/babel-generator/src/printer.js b/packages/babel-generator/src/printer.js
index 0662eb30ce..24d43d27f0 100644
--- a/packages/babel-generator/src/printer.js
+++ b/packages/babel-generator/src/printer.js
@@ -293,8 +293,6 @@ export default class Printer {
 
     this._printNewline(true, node, parent, opts);
 
-    if (opts.before) opts.before();
-
     let loc = (t.isProgram(node) || t.isFile(node)) ? null : node.loc;
     this.withSource("start", loc, () => {
       this[node.type](node, parent);