diff --git a/src/plugins/bangCall.js b/src/plugins/bangCall.js
index 72a37c122c..87932e2f73 100644
--- a/src/plugins/bangCall.js
+++ b/src/plugins/bangCall.js
@@ -30,7 +30,8 @@ export default function(parser) {
 
     // ASI, ignore impossible args
     if (
-      (this.isLineBreak() && this.state.indentLevel <= bangIndentLevel) || !this.state.type.startsExpr
+      (this.isLineBreak() && this.state.indentLevel <= bangIndentLevel) ||
+      !this.state.type.startsExpr
     ) {
       return this.finishNode(node, nodeType);
     }
@@ -90,7 +91,7 @@ export default function(parser) {
       return null;
   };
 
-  // When subscripting, a newline always breaks up bang args.
+  // Subscripts to a bang call must appear at the arg indent level
   pp.shouldUnwindBangSubscript = function() {
     return this.isLineBreak() && (this.state.indentLevel <= this.state.bangUnwindLevel);
   };
diff --git a/src/plugins/tildeCall.js b/src/plugins/tildeCall.js
index 6274e75f48..76a0c08556 100644
--- a/src/plugins/tildeCall.js
+++ b/src/plugins/tildeCall.js
@@ -31,9 +31,4 @@ export default function(parser) {
       return this.finishNode(node, "TildeCallExpression");
     }
   };
-
-  // When subscripting, a newline always breaks up bang args.
-  pp.shouldUnwindBangSubscript = function() {
-    return this.isLineBreak() && (this.state.indentLevel <= this.state.bangUnwindLevel);
-  };
 }