diff --git a/tests/fixtures/config-extends/.eslintrc b/tests/fixtures/config-extends/.eslintrc
deleted file mode 100644
index 146ebff8926..00000000000
--- a/tests/fixtures/config-extends/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "./subdir/.eslintrc",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/array/.eslintrc b/tests/fixtures/config-extends/array/.eslintrc
deleted file mode 100644
index 6221f67061d..00000000000
--- a/tests/fixtures/config-extends/array/.eslintrc
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-    "extends": [
-        ".eslintrc1",
-        ".eslintrc2"
-    ],
-
-    "rules": {
-        "no-empty": 1
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/array/.eslintrc1 b/tests/fixtures/config-extends/array/.eslintrc1
deleted file mode 100644
index 2ba38c72474..00000000000
--- a/tests/fixtures/config-extends/array/.eslintrc1
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "rules": {
-        "comma-dangle": 1,
-        "no-console": 2,
-        "no-empty": 2
-    },
-
-    "env": {
-        "browser": true,
-        "node": true
-    }
-}
diff --git a/tests/fixtures/config-extends/array/.eslintrc2 b/tests/fixtures/config-extends/array/.eslintrc2
deleted file mode 100644
index ef204852184..00000000000
--- a/tests/fixtures/config-extends/array/.eslintrc2
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-    "rules": {
-        "comma-dangle": 2
-    },
-
-    "env": {
-        "es6": true
-    }
-}
diff --git a/tests/fixtures/config-extends/deep.json b/tests/fixtures/config-extends/deep.json
deleted file mode 100644
index c61c9728902..00000000000
--- a/tests/fixtures/config-extends/deep.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-    "rules": {
-        "yoda": 2
-    },
-
-    "env": {
-        "browser": true
-    },
-
-    "extends": "./subdir/subsubdir/deeper.json"
-}
diff --git a/tests/fixtures/config-extends/error.json b/tests/fixtures/config-extends/error.json
deleted file mode 100644
index 8b9a039b2e6..00000000000
--- a/tests/fixtures/config-extends/error.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "extends": "./non-existent.json"
-}
diff --git a/tests/fixtures/config-extends/js/.eslintrc b/tests/fixtures/config-extends/js/.eslintrc
deleted file mode 100644
index 5705d5a4add..00000000000
--- a/tests/fixtures/config-extends/js/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "./foo.js",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/package.json b/tests/fixtures/config-extends/package.json
deleted file mode 100644
index 08c1d676f68..00000000000
--- a/tests/fixtures/config-extends/package.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-    "name": "test",
-    "version": "0.1.1",
-    "eslintConfig": {
-        "extends": "./subdir/.eslintrc"
-    }
-}
diff --git a/tests/fixtures/config-extends/package/.eslintrc b/tests/fixtures/config-extends/package/.eslintrc
deleted file mode 100644
index b6e5a51461f..00000000000
--- a/tests/fixtures/config-extends/package/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "eslint-config-foo",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/package2/.eslintrc b/tests/fixtures/config-extends/package2/.eslintrc
deleted file mode 100644
index a8266993dbe..00000000000
--- a/tests/fixtures/config-extends/package2/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "foo",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/package2/subdir/foo.js b/tests/fixtures/config-extends/package2/subdir/foo.js
deleted file mode 100644
index f688910ec09..00000000000
--- a/tests/fixtures/config-extends/package2/subdir/foo.js
+++ /dev/null
@@ -1 +0,0 @@
-var a = 1;
diff --git a/tests/fixtures/config-extends/package3/.eslintrc b/tests/fixtures/config-extends/package3/.eslintrc
deleted file mode 100644
index 78acea99b19..00000000000
--- a/tests/fixtures/config-extends/package3/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "foo/bar",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/package4/.eslintrc b/tests/fixtures/config-extends/package4/.eslintrc
deleted file mode 100644
index f4716a43795..00000000000
--- a/tests/fixtures/config-extends/package4/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "bar-eslint-config-foo",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/resolving-relatively/.eslintrc.json b/tests/fixtures/config-extends/resolving-relatively/.eslintrc.json
deleted file mode 100644
index b77cef2af99..00000000000
--- a/tests/fixtures/config-extends/resolving-relatively/.eslintrc.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "extends": "a"
-}
diff --git a/tests/fixtures/config-extends/resolving-relatively/node_modules/a/index.js b/tests/fixtures/config-extends/resolving-relatively/node_modules/a/index.js
deleted file mode 100644
index 95d0e983665..00000000000
--- a/tests/fixtures/config-extends/resolving-relatively/node_modules/a/index.js
+++ /dev/null
@@ -1,8 +0,0 @@
-"use strict";
-
-module.exports = {
-    extends: "b",
-    rules: {
-        a: 2
-    }
-};
diff --git a/tests/fixtures/config-extends/resolving-relatively/node_modules/a/node_modules/b/index.js b/tests/fixtures/config-extends/resolving-relatively/node_modules/a/node_modules/b/index.js
deleted file mode 100644
index 26a261343e3..00000000000
--- a/tests/fixtures/config-extends/resolving-relatively/node_modules/a/node_modules/b/index.js
+++ /dev/null
@@ -1,7 +0,0 @@
-"use strict";
-
-module.exports = {
-    rules: {
-        b: 2
-    }
-};
diff --git a/tests/fixtures/config-extends/scoped-package/.eslintrc b/tests/fixtures/config-extends/scoped-package/.eslintrc
deleted file mode 100644
index 8c7d034045c..00000000000
--- a/tests/fixtures/config-extends/scoped-package/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope/eslint-config-foo",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/scoped-package2/.eslintrc b/tests/fixtures/config-extends/scoped-package2/.eslintrc
deleted file mode 100644
index 6bd8b24bfff..00000000000
--- a/tests/fixtures/config-extends/scoped-package2/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope/foo",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/scoped-package3/.eslintrc b/tests/fixtures/config-extends/scoped-package3/.eslintrc
deleted file mode 100644
index c5a386d69ce..00000000000
--- a/tests/fixtures/config-extends/scoped-package3/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope/foo/bar",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/scoped-package3/foo.js b/tests/fixtures/config-extends/scoped-package3/foo.js
deleted file mode 100644
index f688910ec09..00000000000
--- a/tests/fixtures/config-extends/scoped-package3/foo.js
+++ /dev/null
@@ -1 +0,0 @@
-var a = 1;
diff --git a/tests/fixtures/config-extends/scoped-package4/.eslintrc b/tests/fixtures/config-extends/scoped-package4/.eslintrc
deleted file mode 100644
index de61a98656b..00000000000
--- a/tests/fixtures/config-extends/scoped-package4/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope/eslint-config",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/scoped-package5/.eslintrc b/tests/fixtures/config-extends/scoped-package5/.eslintrc
deleted file mode 100644
index 46a99024612..00000000000
--- a/tests/fixtures/config-extends/scoped-package5/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope/",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/scoped-package6/.eslintrc b/tests/fixtures/config-extends/scoped-package6/.eslintrc
deleted file mode 100644
index 574a1a3fcd3..00000000000
--- a/tests/fixtures/config-extends/scoped-package6/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/scoped-package7/.eslintrc b/tests/fixtures/config-extends/scoped-package7/.eslintrc
deleted file mode 100644
index 24a951a71fa..00000000000
--- a/tests/fixtures/config-extends/scoped-package7/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope/eslint-configfoo",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/scoped-package8/.eslintrc b/tests/fixtures/config-extends/scoped-package8/.eslintrc
deleted file mode 100644
index c410ed43176..00000000000
--- a/tests/fixtures/config-extends/scoped-package8/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope/bar-eslint-config-foo",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/scoped-package9/.eslintrc b/tests/fixtures/config-extends/scoped-package9/.eslintrc
deleted file mode 100644
index ab840397fdd..00000000000
--- a/tests/fixtures/config-extends/scoped-package9/.eslintrc
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-    "extends": "@scope/eslint-config/foo",
-
-    "rules": {
-        "quotes": [2, "double"],
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": false
-    }
-}
diff --git a/tests/fixtures/config-extends/subdir/.eslintrc b/tests/fixtures/config-extends/subdir/.eslintrc
deleted file mode 100644
index b98d291aa4e..00000000000
--- a/tests/fixtures/config-extends/subdir/.eslintrc
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-    "rules": {
-        "quotes": [1, "single"],
-        "yoda": 2
-    },
-
-    "env": {
-        "browser": true
-    }
-}
diff --git a/tests/fixtures/config-extends/subdir/subsubdir/deeper.json b/tests/fixtures/config-extends/subdir/subsubdir/deeper.json
deleted file mode 100644
index d904f4a5b51..00000000000
--- a/tests/fixtures/config-extends/subdir/subsubdir/deeper.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-    "rules": {
-        "semi": 2
-    },
-
-    "env": {
-        "browser": false
-    },
-
-    "extends": "./subsubsubdir/deepest.json"
-}
diff --git a/tests/fixtures/config-extends/subdir/subsubdir/subsubsubdir/deepest.json b/tests/fixtures/config-extends/subdir/subsubdir/subsubsubdir/deepest.json
deleted file mode 100644
index 70dc7eefb7f..00000000000
--- a/tests/fixtures/config-extends/subdir/subsubdir/subsubsubdir/deepest.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-    "rules": {
-        "semi": 1,
-        "valid-jsdoc": 0
-    },
-
-    "env": {
-        "browser": true
-    }
-}