diff --git a/gulpfile.js b/gulpfile.js
index 016708f04..583192215 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -175,7 +175,7 @@ function runIntern(params) {
     };
 }
 
-gulp.task('intern:unit', runIntern({suites: argv.suites || 'static/tests/unit/**/*.js', browser: 'phantomjs'}));
+gulp.task('intern:unit', runIntern({suites: argv.suites || 'static/tests/unit/**/*.js'}));
 gulp.task('intern:functional', runIntern({functionalSuites: argv.suites || 'static/tests/functional/**/test_*.js'}));
 
 gulp.task('unit-tests', function(cb) {
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 0f35ea5b1..c26727ab5 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -26,10 +26,6 @@
       "version": "3.3.4",
       "from": "bootstrap@3.3.4"
     },
-    "casperjs": {
-      "version": "1.1.0-beta3",
-      "from": "casperjs@1.1.0-beta3"
-    },
     "classnames": {
       "version": "1.1.4",
       "from": "classnames@1.1.4"
@@ -3995,274 +3991,6 @@
       "version": "1.4.0",
       "from": "open-sans-fontface@1.4.0"
     },
-    "phantomjs": {
-      "version": "1.9.18",
-      "from": "phantomjs@1.9.18",
-      "dependencies": {
-        "adm-zip": {
-          "version": "0.4.4",
-          "from": "adm-zip@0.4.4"
-        },
-        "fs-extra": {
-          "version": "0.23.1",
-          "from": "fs-extra@0.23.1",
-          "dependencies": {
-            "graceful-fs": {
-              "version": "4.1.2",
-              "from": "graceful-fs@4.1.2"
-            },
-            "jsonfile": {
-              "version": "2.2.1",
-              "from": "jsonfile@2.2.1"
-            },
-            "path-is-absolute": {
-              "version": "1.0.0",
-              "from": "path-is-absolute@1.0.0"
-            }
-          }
-        },
-        "kew": {
-          "version": "0.4.0",
-          "from": "kew@0.4.0"
-        },
-        "npmconf": {
-          "version": "2.1.1",
-          "from": "npmconf@2.1.1",
-          "dependencies": {
-            "config-chain": {
-              "version": "1.1.9",
-              "from": "config-chain@1.1.9",
-              "dependencies": {
-                "proto-list": {
-                  "version": "1.2.4",
-                  "from": "proto-list@1.2.4"
-                }
-              }
-            },
-            "inherits": {
-              "version": "2.0.1",
-              "from": "inherits@2.0.1"
-            },
-            "ini": {
-              "version": "1.3.4",
-              "from": "ini@1.3.4"
-            },
-            "mkdirp": {
-              "version": "0.5.1",
-              "from": "mkdirp@0.5.1",
-              "dependencies": {
-                "minimist": {
-                  "version": "0.0.8",
-                  "from": "minimist@0.0.8"
-                }
-              }
-            },
-            "nopt": {
-              "version": "3.0.3",
-              "from": "nopt@3.0.3",
-              "dependencies": {
-                "abbrev": {
-                  "version": "1.0.7",
-                  "from": "abbrev@1.0.7"
-                }
-              }
-            },
-            "once": {
-              "version": "1.3.2",
-              "from": "once@1.3.2",
-              "dependencies": {
-                "wrappy": {
-                  "version": "1.0.1",
-                  "from": "wrappy@1.0.1"
-                }
-              }
-            },
-            "osenv": {
-              "version": "0.1.3",
-              "from": "osenv@0.1.3",
-              "dependencies": {
-                "os-homedir": {
-                  "version": "1.0.1",
-                  "from": "os-homedir@1.0.1"
-                },
-                "os-tmpdir": {
-                  "version": "1.0.1",
-                  "from": "os-tmpdir@1.0.1"
-                }
-              }
-            },
-            "semver": {
-              "version": "4.3.6",
-              "from": "semver@4.3.6"
-            },
-            "uid-number": {
-              "version": "0.0.5",
-              "from": "uid-number@0.0.5"
-            }
-          }
-        },
-        "progress": {
-          "version": "1.1.8",
-          "from": "progress@1.1.8"
-        },
-        "request": {
-          "version": "2.42.0",
-          "from": "request@2.42.0",
-          "dependencies": {
-            "bl": {
-              "version": "0.9.4",
-              "from": "bl@0.9.4",
-              "dependencies": {
-                "readable-stream": {
-                  "version": "1.0.33",
-                  "from": "readable-stream@1.0.33",
-                  "dependencies": {
-                    "core-util-is": {
-                      "version": "1.0.1",
-                      "from": "core-util-is@1.0.1"
-                    },
-                    "isarray": {
-                      "version": "0.0.1",
-                      "from": "isarray@0.0.1"
-                    },
-                    "string_decoder": {
-                      "version": "0.10.31",
-                      "from": "string_decoder@0.10.31"
-                    },
-                    "inherits": {
-                      "version": "2.0.1",
-                      "from": "inherits@2.0.1"
-                    }
-                  }
-                }
-              }
-            },
-            "caseless": {
-              "version": "0.6.0",
-              "from": "caseless@0.6.0"
-            },
-            "forever-agent": {
-              "version": "0.5.2",
-              "from": "forever-agent@0.5.2"
-            },
-            "qs": {
-              "version": "1.2.2",
-              "from": "qs@1.2.2"
-            },
-            "json-stringify-safe": {
-              "version": "5.0.1",
-              "from": "json-stringify-safe@5.0.1"
-            },
-            "mime-types": {
-              "version": "1.0.2",
-              "from": "mime-types@1.0.2"
-            },
-            "node-uuid": {
-              "version": "1.4.3",
-              "from": "node-uuid@1.4.3"
-            },
-            "tunnel-agent": {
-              "version": "0.4.1",
-              "from": "tunnel-agent@0.4.1"
-            },
-            "tough-cookie": {
-              "version": "2.0.0",
-              "from": "tough-cookie@2.0.0"
-            },
-            "form-data": {
-              "version": "0.1.4",
-              "from": "form-data@0.1.4",
-              "dependencies": {
-                "combined-stream": {
-                  "version": "0.0.7",
-                  "from": "combined-stream@0.0.7",
-                  "dependencies": {
-                    "delayed-stream": {
-                      "version": "0.0.5",
-                      "from": "delayed-stream@0.0.5"
-                    }
-                  }
-                },
-                "mime": {
-                  "version": "1.2.11",
-                  "from": "mime@1.2.11"
-                },
-                "async": {
-                  "version": "0.9.2",
-                  "from": "async@0.9.2"
-                }
-              }
-            },
-            "http-signature": {
-              "version": "0.10.1",
-              "from": "http-signature@0.10.1",
-              "dependencies": {
-                "assert-plus": {
-                  "version": "0.1.5",
-                  "from": "assert-plus@0.1.5"
-                },
-                "asn1": {
-                  "version": "0.1.11",
-                  "from": "asn1@0.1.11"
-                },
-                "ctype": {
-                  "version": "0.5.3",
-                  "from": "ctype@0.5.3"
-                }
-              }
-            },
-            "oauth-sign": {
-              "version": "0.4.0",
-              "from": "oauth-sign@0.4.0"
-            },
-            "hawk": {
-              "version": "1.1.1",
-              "from": "hawk@1.1.1",
-              "dependencies": {
-                "hoek": {
-                  "version": "0.9.1",
-                  "from": "hoek@0.9.1"
-                },
-                "boom": {
-                  "version": "0.4.2",
-                  "from": "boom@0.4.2"
-                },
-                "cryptiles": {
-                  "version": "0.2.2",
-                  "from": "cryptiles@0.2.2"
-                },
-                "sntp": {
-                  "version": "0.2.4",
-                  "from": "sntp@0.2.4"
-                }
-              }
-            },
-            "aws-sign2": {
-              "version": "0.5.0",
-              "from": "aws-sign2@0.5.0"
-            },
-            "stringstream": {
-              "version": "0.0.4",
-              "from": "stringstream@0.0.4"
-            }
-          }
-        },
-        "request-progress": {
-          "version": "0.3.1",
-          "from": "request-progress@0.3.1",
-          "dependencies": {
-            "throttleit": {
-              "version": "0.0.2",
-              "from": "throttleit@0.0.2"
-            }
-          }
-        },
-        "which": {
-          "version": "1.0.9",
-          "from": "which@1.0.9"
-        }
-      }
-    },
     "react": {
       "version": "0.13.3",
       "from": "react@0.13.3",
diff --git a/package.json b/package.json
index 2a4054785..9df69c427 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,6 @@
     "requirejs-plugins": "1.0.2"
   },
   "devDependencies": {
-    "casperjs": "~1.1.0-beta3",
     "es5-shim": "~4.1.11",
     "eslint-plugin-react": "~3.1.0",
     "esprima-fb": "13001.1001.0-dev-harmony-fb",
@@ -47,7 +46,6 @@
     "gulp-util": "~3.0.4",
     "intern": "~2.2.2",
     "minimist": "~1.1.1",
-    "phantomjs": "~1.9.16",
     "rimraf": "~2.2.8",
     "run-sequence": "~1.0.2",
     "selenium-standalone": "~4.4.0",
diff --git a/static/tests/intern-phantomjs.js b/static/tests/intern-phantomjs.js
index 5ecd2f71b..692fdf0af 100644
--- a/static/tests/intern-phantomjs.js
+++ b/static/tests/intern-phantomjs.js
@@ -16,10 +16,7 @@
 
 define(['./intern'], function(config) {
     'use strict';
-    config.environments = [{
-        browserName: 'phantomjs',
-        'phantomjs.binary.path': 'node_modules/phantomjs/lib/phantom/bin/phantomjs'
-    }];
+    config.environments = [{browserName: 'phantomjs'}];
     config.loader.shim.react = {
         deps: ['vendor/npm/es5-shim/es5-shim']
     };