diff --git a/src/parser/expression.js b/src/parser/expression.js
index 9deb74c686..81cb3766ed 100644
--- a/src/parser/expression.js
+++ b/src/parser/expression.js
@@ -749,9 +749,7 @@ pp.parseObj = function (isPattern, refShorthandDefaultPos) {
         } else if (this.eat(tt.braceR)) {
           break;
         } else if (this.match(tt.comma) && this.lookahead().type === tt.braceR) {
-          // TODO: temporary rollback
-          // this.unexpected(position, "A trailing comma is not permitted after the rest element");
-          continue;
+          this.unexpected(position, "A trailing comma is not permitted after the rest element");
         } else {
           firstRestLocation = position;
           continue;
diff --git a/test/fixtures/experimental/object-rest-spread/8/expected.json b/test/fixtures/experimental/object-rest-spread/8/expected.json
deleted file mode 100644
index f97a0ab95c..0000000000
--- a/test/fixtures/experimental/object-rest-spread/8/expected.json
+++ /dev/null
@@ -1,243 +0,0 @@
-{
-  "type": "File",
-  "start": 0,
-  "end": 26,
-  "loc": {
-    "start": {
-      "line": 1,
-      "column": 0
-    },
-    "end": {
-      "line": 1,
-      "column": 26
-    }
-  },
-  "program": {
-    "type": "Program",
-    "start": 0,
-    "end": 26,
-    "loc": {
-      "start": {
-        "line": 1,
-        "column": 0
-      },
-      "end": {
-        "line": 1,
-        "column": 26
-      }
-    },
-    "sourceType": "script",
-    "body": [
-      {
-        "type": "VariableDeclaration",
-        "start": 0,
-        "end": 26,
-        "loc": {
-          "start": {
-            "line": 1,
-            "column": 0
-          },
-          "end": {
-            "line": 1,
-            "column": 26
-          }
-        },
-        "declarations": [
-          {
-            "type": "VariableDeclarator",
-            "start": 4,
-            "end": 25,
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 4
-              },
-              "end": {
-                "line": 1,
-                "column": 25
-              }
-            },
-            "id": {
-              "type": "ObjectPattern",
-              "start": 4,
-              "end": 19,
-              "loc": {
-                "start": {
-                  "line": 1,
-                  "column": 4
-                },
-                "end": {
-                  "line": 1,
-                  "column": 19
-                }
-              },
-              "properties": [
-                {
-                  "type": "ObjectProperty",
-                  "start": 6,
-                  "end": 7,
-                  "loc": {
-                    "start": {
-                      "line": 1,
-                      "column": 6
-                    },
-                    "end": {
-                      "line": 1,
-                      "column": 7
-                    }
-                  },
-                  "method": false,
-                  "shorthand": true,
-                  "computed": false,
-                  "key": {
-                    "type": "Identifier",
-                    "start": 6,
-                    "end": 7,
-                    "loc": {
-                      "start": {
-                        "line": 1,
-                        "column": 6
-                      },
-                      "end": {
-                        "line": 1,
-                        "column": 7
-                      },
-                      "identifierName": "x"
-                    },
-                    "name": "x"
-                  },
-                  "value": {
-                    "type": "Identifier",
-                    "start": 6,
-                    "end": 7,
-                    "loc": {
-                      "start": {
-                        "line": 1,
-                        "column": 6
-                      },
-                      "end": {
-                        "line": 1,
-                        "column": 7
-                      },
-                      "identifierName": "x"
-                    },
-                    "name": "x"
-                  },
-                  "extra": {
-                    "shorthand": true
-                  }
-                },
-                {
-                  "type": "ObjectProperty",
-                  "start": 9,
-                  "end": 10,
-                  "loc": {
-                    "start": {
-                      "line": 1,
-                      "column": 9
-                    },
-                    "end": {
-                      "line": 1,
-                      "column": 10
-                    }
-                  },
-                  "method": false,
-                  "shorthand": true,
-                  "computed": false,
-                  "key": {
-                    "type": "Identifier",
-                    "start": 9,
-                    "end": 10,
-                    "loc": {
-                      "start": {
-                        "line": 1,
-                        "column": 9
-                      },
-                      "end": {
-                        "line": 1,
-                        "column": 10
-                      },
-                      "identifierName": "y"
-                    },
-                    "name": "y"
-                  },
-                  "value": {
-                    "type": "Identifier",
-                    "start": 9,
-                    "end": 10,
-                    "loc": {
-                      "start": {
-                        "line": 1,
-                        "column": 9
-                      },
-                      "end": {
-                        "line": 1,
-                        "column": 10
-                      },
-                      "identifierName": "y"
-                    },
-                    "name": "y"
-                  },
-                  "extra": {
-                    "shorthand": true
-                  }
-                },
-                {
-                  "type": "RestProperty",
-                  "start": 12,
-                  "end": 16,
-                  "loc": {
-                    "start": {
-                      "line": 1,
-                      "column": 12
-                    },
-                    "end": {
-                      "line": 1,
-                      "column": 16
-                    }
-                  },
-                  "argument": {
-                    "type": "Identifier",
-                    "start": 15,
-                    "end": 16,
-                    "loc": {
-                      "start": {
-                        "line": 1,
-                        "column": 15
-                      },
-                      "end": {
-                        "line": 1,
-                        "column": 16
-                      },
-                      "identifierName": "z"
-                    },
-                    "name": "z"
-                  }
-                }
-              ]
-            },
-            "init": {
-              "type": "Identifier",
-              "start": 22,
-              "end": 25,
-              "loc": {
-                "start": {
-                  "line": 1,
-                  "column": 22
-                },
-                "end": {
-                  "line": 1,
-                  "column": 25
-                },
-                "identifierName": "obj"
-              },
-              "name": "obj"
-            }
-          }
-        ],
-        "kind": "let"
-      }
-    ],
-    "directives": []
-  }
-}
\ No newline at end of file
diff --git a/test/fixtures/experimental/object-rest-spread/8/options.json b/test/fixtures/experimental/object-rest-spread/8/options.json
new file mode 100644
index 0000000000..4a97ac85ea
--- /dev/null
+++ b/test/fixtures/experimental/object-rest-spread/8/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "A trailing comma is not permitted after the rest element (1:16)"
+}