diff --git a/test/fixture/infer-private.input.js b/test/fixture/infer-private.input.js
index ddfbdb45e..84723db96 100644
--- a/test/fixture/infer-private.input.js
+++ b/test/fixture/infer-private.input.js
@@ -1,3 +1,5 @@
+// Options: {"inferPrivate": "^_"}
+
 /**
  * _p description
  */
diff --git a/test/fixture/infer-private.output.json b/test/fixture/infer-private.output.json
index 37e02d82e..1b7a0a27b 100644
--- a/test/fixture/infer-private.output.json
+++ b/test/fixture/infer-private.output.json
@@ -1,95 +1,4 @@
 [
-  {
-    "description": {
-      "type": "root",
-      "children": [
-        {
-          "type": "paragraph",
-          "children": [
-            {
-              "type": "text",
-              "value": "_p description",
-              "position": {
-                "start": {
-                  "line": 1,
-                  "column": 1,
-                  "offset": 0
-                },
-                "end": {
-                  "line": 1,
-                  "column": 15,
-                  "offset": 14
-                },
-                "indent": []
-              }
-            }
-          ],
-          "position": {
-            "start": {
-              "line": 1,
-              "column": 1,
-              "offset": 0
-            },
-            "end": {
-              "line": 1,
-              "column": 15,
-              "offset": 14
-            },
-            "indent": []
-          }
-        }
-      ],
-      "position": {
-        "start": {
-          "line": 1,
-          "column": 1,
-          "offset": 0
-        },
-        "end": {
-          "line": 1,
-          "column": 15,
-          "offset": 14
-        }
-      }
-    },
-    "tags": [],
-    "loc": {
-      "start": {
-        "line": 1,
-        "column": 0
-      },
-      "end": {
-        "line": 3,
-        "column": 3
-      }
-    },
-    "context": {
-      "loc": {
-        "start": {
-          "line": 4,
-          "column": 0
-        },
-        "end": {
-          "line": 4,
-          "column": 16
-        }
-      }
-    },
-    "errors": [],
-    "name": "_p",
-    "kind": "function",
-    "members": {
-      "instance": [],
-      "static": []
-    },
-    "path": [
-      {
-        "name": "_p",
-        "kind": "function"
-      }
-    ],
-    "namespace": "_p"
-  },
   {
     "description": {
       "type": "root",
@@ -146,22 +55,22 @@
     "tags": [],
     "loc": {
       "start": {
-        "line": 6,
+        "line": 8,
         "column": 0
       },
       "end": {
-        "line": 6,
+        "line": 8,
         "column": 20
       }
     },
     "context": {
       "loc": {
         "start": {
-          "line": 7,
+          "line": 9,
           "column": 0
         },
         "end": {
-          "line": 12,
+          "line": 14,
           "column": 1
         }
       }
@@ -227,22 +136,22 @@
           "tags": [],
           "loc": {
             "start": {
-              "line": 8,
+              "line": 10,
               "column": 2
             },
             "end": {
-              "line": 8,
+              "line": 10,
               "column": 22
             }
           },
           "context": {
             "loc": {
               "start": {
-                "line": 9,
+                "line": 11,
                 "column": 2
               },
               "end": {
-                "line": 9,
+                "line": 11,
                 "column": 8
               }
             }
@@ -268,104 +177,6 @@
             }
           ],
           "namespace": "C#m"
-        },
-        {
-          "description": {
-            "type": "root",
-            "children": [
-              {
-                "type": "paragraph",
-                "children": [
-                  {
-                    "type": "text",
-                    "value": "_p description",
-                    "position": {
-                      "start": {
-                        "line": 1,
-                        "column": 1,
-                        "offset": 0
-                      },
-                      "end": {
-                        "line": 1,
-                        "column": 15,
-                        "offset": 14
-                      },
-                      "indent": []
-                    }
-                  }
-                ],
-                "position": {
-                  "start": {
-                    "line": 1,
-                    "column": 1,
-                    "offset": 0
-                  },
-                  "end": {
-                    "line": 1,
-                    "column": 15,
-                    "offset": 14
-                  },
-                  "indent": []
-                }
-              }
-            ],
-            "position": {
-              "start": {
-                "line": 1,
-                "column": 1,
-                "offset": 0
-              },
-              "end": {
-                "line": 1,
-                "column": 15,
-                "offset": 14
-              }
-            }
-          },
-          "tags": [],
-          "loc": {
-            "start": {
-              "line": 10,
-              "column": 2
-            },
-            "end": {
-              "line": 10,
-              "column": 23
-            }
-          },
-          "context": {
-            "loc": {
-              "start": {
-                "line": 11,
-                "column": 2
-              },
-              "end": {
-                "line": 11,
-                "column": 9
-              }
-            }
-          },
-          "errors": [],
-          "name": "_p",
-          "kind": "function",
-          "memberof": "C",
-          "scope": "instance",
-          "members": {
-            "instance": [],
-            "static": []
-          },
-          "path": [
-            {
-              "name": "C",
-              "kind": "class"
-            },
-            {
-              "name": "_p",
-              "kind": "function",
-              "scope": "instance"
-            }
-          ],
-          "namespace": "C#_p"
         }
       ],
       "static": [],
diff --git a/test/fixture/infer-private.output.md b/test/fixture/infer-private.output.md
index e5e1e56b6..7437d067b 100644
--- a/test/fixture/infer-private.output.md
+++ b/test/fixture/infer-private.output.md
@@ -1,9 +1,5 @@
 <!-- Generated by documentation.js. Update this documentation by updating the source code. -->
 
-# \_p
-
-\_p description
-
 # C
 
 C description
@@ -11,7 +7,3 @@ C description
 ## m
 
 m description
-
-## \_p
-
-\_p description
diff --git a/test/fixture/infer-private.output.md.json b/test/fixture/infer-private.output.md.json
index 58641b9da..61222fd70 100644
--- a/test/fixture/infer-private.output.md.json
+++ b/test/fixture/infer-private.output.md.json
@@ -5,51 +5,6 @@
       "type": "html",
       "value": "<!-- Generated by documentation.js. Update this documentation by updating the source code. -->"
     },
-    {
-      "depth": 1,
-      "type": "heading",
-      "children": [
-        {
-          "type": "text",
-          "value": "_p"
-        }
-      ]
-    },
-    {
-      "type": "paragraph",
-      "children": [
-        {
-          "type": "text",
-          "value": "_p description",
-          "position": {
-            "start": {
-              "line": 1,
-              "column": 1,
-              "offset": 0
-            },
-            "end": {
-              "line": 1,
-              "column": 15,
-              "offset": 14
-            },
-            "indent": []
-          }
-        }
-      ],
-      "position": {
-        "start": {
-          "line": 1,
-          "column": 1,
-          "offset": 0
-        },
-        "end": {
-          "line": 1,
-          "column": 15,
-          "offset": 14
-        },
-        "indent": []
-      }
-    },
     {
       "depth": 1,
       "type": "heading",
@@ -139,51 +94,6 @@
         },
         "indent": []
       }
-    },
-    {
-      "depth": 2,
-      "type": "heading",
-      "children": [
-        {
-          "type": "text",
-          "value": "_p"
-        }
-      ]
-    },
-    {
-      "type": "paragraph",
-      "children": [
-        {
-          "type": "text",
-          "value": "_p description",
-          "position": {
-            "start": {
-              "line": 1,
-              "column": 1,
-              "offset": 0
-            },
-            "end": {
-              "line": 1,
-              "column": 15,
-              "offset": 14
-            },
-            "indent": []
-          }
-        }
-      ],
-      "position": {
-        "start": {
-          "line": 1,
-          "column": 1,
-          "offset": 0
-        },
-        "end": {
-          "line": 1,
-          "column": 15,
-          "offset": 14
-        },
-        "indent": []
-      }
     }
   ]
 }
\ No newline at end of file
diff --git a/test/test.js b/test/test.js
index 9009c1ed0..91e561d0b 100644
--- a/test/test.js
+++ b/test/test.js
@@ -20,6 +20,18 @@ function makePOJO(ast) {
   return JSON.parse(JSON.stringify(ast));
 }
 
+function readOptionsFromFile(file) {
+  var s = fs.readFileSync(file, 'utf-8');
+  var lines = s.split(/\n/, 20);
+  for (var i = 0; i < lines.length; i++) {
+    var m = lines[i].match(/^\/\/\s+Options:\s*(.+)$/);
+    if (m) {
+      return JSON.parse(m[1]);
+    }
+  }
+  return {};
+}
+
 if (fs.existsSync(path.join(__dirname, '../.git'))) {
   test('git option', function (t) {
     var file = path.join(__dirname, './fixture/simple.input.js');
@@ -68,7 +80,7 @@ test('external modules option', function (t) {
 test('bad input', function (tt) {
   glob.sync(path.join(__dirname, 'fixture/bad', '*.input.js')).forEach(function (file) {
     tt.test(path.basename(file), function (t) {
-      documentation.build([file], {}, function (error, res) {
+      documentation.build([file], readOptionsFromFile(file), function (error, res) {
         t.equal(res, undefined);
         // make error a serializable object
         error = JSON.parse(JSON.stringify(error));
@@ -91,7 +103,7 @@ test('bad input', function (tt) {
 test('html', function (tt) {
   glob.sync(path.join(__dirname, 'fixture/html', '*.input.js')).forEach(function (file) {
     tt.test(path.basename(file), function (t) {
-      documentation.build([file], {}, function (err, result) {
+      documentation.build([file], readOptionsFromFile(file), function (err, result) {
         t.ifError(err);
         outputHtml(result, null, function (err, result) {
           t.ifError(err);
@@ -119,7 +131,7 @@ test('html', function (tt) {
 test('outputs', function (ttt) {
   glob.sync(path.join(__dirname, 'fixture', '*.input.js')).forEach(function (file) {
     ttt.test(path.basename(file), function (tt) {
-      documentation.build([file], {}, function (err, result) {
+      documentation.build([file], readOptionsFromFile(file), function (err, result) {
         tt.ifError(err);
 
         tt.test('markdown', function (t) {
@@ -174,7 +186,7 @@ test('outputs', function (ttt) {
 test('outputs - sync', function (ttt) {
   glob.sync(path.join(__dirname, 'fixture/sync', '*.input.js')).forEach(function (file) {
     ttt.test(path.basename(file), function (tt) {
-      var result = documentation.buildSync([file]);
+      var result = documentation.buildSync([file], readOptionsFromFile(file));
 
       tt.test('markdown', function (t) {
         outputMarkdown(result, {}, function (err, result) {