diff --git a/Makefile b/Makefile
index e7a653d..24d780d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,14 +1,11 @@
-ESLINT = node_modules/.bin/eslint
 NPM = npm
 XYZ = node_modules/.bin/xyz --repo git@github.com:sanctuary-js/sanctuary-style.git --script scripts/prepublish
 
 JSON = $(shell find . -name '*.json' -not -path './node_modules/*' | sort)
-SCRIPTS = $(shell find scripts -type f -not -name prepublish | sort)
-FILES = eslint-es3.json eslint-es6.json
 
 
 .PHONY: all
-all: LICENSE $(FILES)
+all: LICENSE
 
 .PHONY: LICENSE
 LICENSE:
@@ -16,23 +13,10 @@ LICENSE:
 	sed 's/Copyright (c) .* Sanctuary/Copyright (c) $(shell git log --date=short --pretty=format:%ad | sort -r | head -n 1 | cut -d - -f 1) Sanctuary/' '$@.orig' >'$@'
 	rm -- '$@.orig'
 
-eslint-%.json: eslint-%-only.json eslint-common.json scripts/eslint-combine
-	scripts/eslint-combine eslint-common.json '$<' >'$@'
-
-
-.PHONY: clean
-clean: $(FILES)
-	rm -f -- $^
-
 
 .PHONY: lint
 lint:
 	printf 'require(\\"%s\\")\n' $(JSON) | xargs node --eval
-	$(ESLINT) --config eslint-es6.json --env es6 --env node -- $(SCRIPTS)
-	make clean
-	make
-	git checkout -- LICENSE
-	git diff --exit-code
 
 
 .PHONY: release-major release-minor release-patch
diff --git a/eslint-common.json b/eslint-common.json
index 6f7ffc2..815aece 100644
--- a/eslint-common.json
+++ b/eslint-common.json
@@ -1,84 +1,112 @@
 {
-  "array-bracket-spacing": ["never"],
-  "block-spacing": ["always"],
-  "brace-style": ["1tbs", {"allowSingleLine": true}],
-  "comma-spacing": [{"before": false, "after": true}],
-  "comma-style": ["last"],
-  "computed-property-spacing": ["never"],
-  "curly": ["multi-line", "consistent"],
-  "dot-location": ["property"],
-  "eol-last": ["always"],
-  "eqeqeq": ["always", {"null": "never"}],
-  "func-call-spacing": ["never"],
-  "indent": [2, {"SwitchCase": 1, "FunctionDeclaration": {"parameters": "first"}, "FunctionExpression": {"parameters": "first"}, "CallExpression": {"arguments": "first"}, "ArrayExpression": "first", "ObjectExpression": "first"}],
-  "key-spacing": [{"beforeColon": false, "afterColon": true, "mode": "strict"}],
-  "keyword-spacing": [{"before": true, "after": true}],
-  "linebreak-style": ["unix"],
-  "max-len": [{"code": 79, "ignoreUrls": true, "ignorePattern": "^ *//# "}],
-  "new-parens": [],
-  "no-array-constructor": [],
-  "no-caller": [],
-  "no-case-declarations": [],
-  "no-compare-neg-zero": [],
-  "no-cond-assign": ["except-parens"],
-  "no-dupe-args": [],
-  "no-dupe-keys": [],
-  "no-duplicate-case": [],
-  "no-empty-character-class": [],
-  "no-eval": [{"allowIndirect": false}],
-  "no-extra-parens": ["all", {"conditionalAssign": false, "nestedBinaryExpressions": false}],
-  "no-extra-semi": [],
-  "no-fallthrough": [],
-  "no-floating-decimal": [],
-  "no-global-assign": [],
-  "no-implicit-coercion": [{"boolean": true, "number": true, "string": true, "allow": []}],
-  "no-irregular-whitespace": [{"skipComments": false}],
-  "no-lonely-if": [],
-  "no-mixed-spaces-and-tabs": [],
-  "no-multi-str": [],
-  "no-multiple-empty-lines": [{"max": 2, "maxBOF": 0, "maxEOF": 0}],
-  "no-negated-condition": [],
-  "no-new-object": [],
-  "no-octal": [],
-  "no-octal-escape": [],
-  "no-param-reassign": [{"props": false}],
-  "no-path-concat": [],
-  "no-plusplus": [],
-  "no-prototype-builtins": [],
-  "no-regex-spaces": [],
-  "no-self-assign": [],
-  "no-sequences": [],
-  "no-shadow-restricted-names": [],
-  "no-sparse-arrays": [],
-  "no-tabs": [],
-  "no-throw-literal": [],
-  "no-trailing-spaces": [{"skipBlankLines": false}],
-  "no-undef": [{"typeof": false}],
-  "no-unexpected-multiline": [],
-  "no-unneeded-ternary": [{"defaultAssignment": false}],
-  "no-unreachable": [],
-  "no-unsafe-negation": [],
-  "no-unused-vars": [{"vars": "all", "args": "none", "caughtErrors": "none"}],
-  "no-useless-concat": [],
-  "no-useless-escape": [],
-  "no-whitespace-before-property": [],
-  "no-with": [],
-  "object-curly-spacing": ["never"],
-  "object-property-newline": [{"allowMultiplePropertiesPerLine": true}],
-  "operator-assignment": ["always"],
-  "quotes": ["single", {"avoidEscape": true}],
-  "radix": ["always"],
-  "semi": ["always", {"omitLastInOneLineBlock": false}],
-  "semi-spacing": [{"before": false, "after": true}],
-  "space-before-blocks": ["always"],
-  "space-before-function-paren": [{"anonymous": "never", "named": "never"}],
-  "space-in-parens": ["never", {"exceptions": []}],
-  "space-infix-ops": [],
-  "space-unary-ops": [{"words": true, "nonwords": false, "overrides": {}}],
-  "spaced-comment": ["always", {"line": {"markers": ["#", "."], "exceptions": ["."]}}],
-  "strict": ["safe"],
-  "unicode-bom": ["never"],
-  "valid-typeof": [{"requireStringLiterals": true}],
-  "wrap-iife": ["outside"],
-  "yoda": ["never", {"exceptRange": true}]
+  "rules": {
+    "array-bracket-spacing": ["error", "never"],
+    "block-spacing": ["error", "always"],
+    "brace-style": ["error", "1tbs", {"allowSingleLine": true}],
+    "comma-spacing": ["error", {"before": false, "after": true}],
+    "comma-style": ["error", "last"],
+    "computed-property-spacing": ["error", "never"],
+    "curly": ["error", "multi-line", "consistent"],
+    "dot-location": ["error", "property"],
+    "eol-last": ["error", "always"],
+    "eqeqeq": ["error", "always", {"null": "never"}],
+    "for-direction": ["error"],
+    "func-call-spacing": ["error", "never"],
+    "indent": ["error", 2, {"SwitchCase": 1, "FunctionDeclaration": {"parameters": "first"}, "FunctionExpression": {"parameters": "first"}, "CallExpression": {"arguments": "first"}, "ArrayExpression": "first", "ObjectExpression": "first", "ignoredNodes": ["ConditionalExpression", "MemberExpression"]}],
+    "key-spacing": ["error", {"beforeColon": false, "afterColon": true, "mode": "strict"}],
+    "keyword-spacing": ["error", {"before": true, "after": true}],
+    "linebreak-style": ["error", "unix"],
+    "max-len": ["error", {"code": 79, "ignoreUrls": true, "ignorePattern": "^ *//(# |  .* :: |[.] > |[.] // )"}],
+    "new-parens": ["error"],
+    "no-array-constructor": ["error"],
+    "no-caller": ["error"],
+    "no-case-declarations": ["error"],
+    "no-compare-neg-zero": ["error"],
+    "no-cond-assign": ["error", "except-parens"],
+    "no-dupe-args": ["error"],
+    "no-dupe-keys": ["error"],
+    "no-duplicate-case": ["error"],
+    "no-empty-character-class": ["error"],
+    "no-eval": ["error", {"allowIndirect": false}],
+    "no-extra-parens": ["error", "all", {"conditionalAssign": false, "nestedBinaryExpressions": false}],
+    "no-extra-semi": ["error"],
+    "no-fallthrough": ["error"],
+    "no-floating-decimal": ["error"],
+    "no-global-assign": ["error"],
+    "no-implicit-coercion": ["error", {"boolean": true, "number": true, "string": true, "allow": []}],
+    "no-irregular-whitespace": ["error", {"skipComments": false}],
+    "no-lonely-if": ["error"],
+    "no-mixed-spaces-and-tabs": ["error"],
+    "no-multi-str": ["error"],
+    "no-multiple-empty-lines": ["error", {"max": 2, "maxBOF": 0, "maxEOF": 0}],
+    "no-negated-condition": ["error"],
+    "no-new-object": ["error"],
+    "no-octal": ["error"],
+    "no-octal-escape": ["error"],
+    "no-param-reassign": ["error", {"props": false}],
+    "no-path-concat": ["error"],
+    "no-plusplus": ["error"],
+    "no-prototype-builtins": ["error"],
+    "no-regex-spaces": ["error"],
+    "no-self-assign": ["error"],
+    "no-sequences": ["error"],
+    "no-shadow-restricted-names": ["error"],
+    "no-sparse-arrays": ["error"],
+    "no-tabs": ["error"],
+    "no-throw-literal": ["error"],
+    "no-trailing-spaces": ["error", {"skipBlankLines": false}],
+    "no-undef": ["error", {"typeof": false}],
+    "no-unexpected-multiline": ["error"],
+    "no-unneeded-ternary": ["error", {"defaultAssignment": false}],
+    "no-unreachable": ["error"],
+    "no-unsafe-negation": ["error"],
+    "no-unused-vars": ["error", {"vars": "all", "args": "none", "caughtErrors": "none"}],
+    "no-useless-concat": ["error"],
+    "no-useless-escape": ["error"],
+    "no-whitespace-before-property": ["error"],
+    "no-with": ["error"],
+    "object-curly-newline": ["error", {"consistent": true}],
+    "object-curly-spacing": ["error", "never"],
+    "object-property-newline": ["error", {"allowMultiplePropertiesPerLine": true}],
+    "operator-assignment": ["error", "always"],
+    "quotes": ["error", "single", {"avoidEscape": true}],
+    "radix": ["error", "always"],
+    "semi": ["error", "always", {"omitLastInOneLineBlock": false}],
+    "semi-spacing": ["error", {"before": false, "after": true}],
+    "semi-style": ["error", "last"],
+    "space-before-blocks": ["error", "always"],
+    "space-before-function-paren": ["error", {"anonymous": "never", "named": "never"}],
+    "space-in-parens": ["error", "never", {"exceptions": []}],
+    "space-infix-ops": ["error"],
+    "space-unary-ops": ["error", {"words": true, "nonwords": false, "overrides": {}}],
+    "spaced-comment": ["error", "always", {"line": {"markers": ["#", "."], "exceptions": ["."]}}],
+    "strict": ["error", "safe"],
+    "switch-colon-spacing": ["error", {"before": false, "after": true}],
+    "unicode-bom": ["error", "never"],
+    "valid-typeof": ["error", {"requireStringLiterals": true}],
+    "wrap-iife": ["error", "outside"],
+    "yoda": ["error", "never", {"exceptRange": true}]
+  },
+  "overrides": [
+    {
+      "files": ["index.js"],
+      "globals": {"define": false, "module": false, "require": false, "self": false}
+    },
+    {
+      "files": ["karma.conf.js"],
+      "env": {"node": true},
+      "rules": {
+        "dot-notation": ["error", {"allowKeywords": true}]
+      }
+    },
+    {
+      "files": ["test/**/*.js"],
+      "env": {"es6": true, "node": true},
+      "globals": {"suite": false, "test": false},
+      "rules": {
+        "dot-notation": ["error", {"allowKeywords": true}],
+        "max-len": ["off"]
+      }
+    }
+  ]
 }
diff --git a/eslint-es3-only.json b/eslint-es3-only.json
deleted file mode 100644
index cf8b0f0..0000000
--- a/eslint-es3-only.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "comma-dangle": ["never"],
-  "dot-notation": [{"allowKeywords": false}],
-  "func-style": ["declaration", {"allowArrowFunctions": false}],
-  "no-catch-shadow": [],
-  "no-func-assign": [],
-  "no-inner-declarations": ["functions"],
-  "no-invalid-regexp": [{"allowConstructorFlags": ["g", "i", "m"]}],
-  "no-redeclare": [{"builtinGlobals": true}],
-  "quote-props": ["as-needed", {"keywords": true}]
-}
diff --git a/eslint-es3.json b/eslint-es3.json
index dd51d14..ca8eb23 100644
--- a/eslint-es3.json
+++ b/eslint-es3.json
@@ -1,95 +1,14 @@
 {
+  "extends": ["./eslint-common.json"],
   "rules": {
-    "array-bracket-spacing": ["error", "never"],
-    "block-spacing": ["error", "always"],
-    "brace-style": ["error", "1tbs", {"allowSingleLine": true}],
     "comma-dangle": ["error", "never"],
-    "comma-spacing": ["error", {"after": true, "before": false}],
-    "comma-style": ["error", "last"],
-    "computed-property-spacing": ["error", "never"],
-    "curly": ["error", "multi-line", "consistent"],
-    "dot-location": ["error", "property"],
     "dot-notation": ["error", {"allowKeywords": false}],
-    "eol-last": ["error", "always"],
-    "eqeqeq": ["error", "always", {"null": "never"}],
-    "func-call-spacing": ["error", "never"],
     "func-style": ["error", "declaration", {"allowArrowFunctions": false}],
-    "indent": ["error", 2, {"ArrayExpression": "first", "CallExpression": {"arguments": "first"}, "FunctionDeclaration": {"parameters": "first"}, "FunctionExpression": {"parameters": "first"}, "ObjectExpression": "first", "SwitchCase": 1}],
-    "key-spacing": ["error", {"afterColon": true, "beforeColon": false, "mode": "strict"}],
-    "keyword-spacing": ["error", {"after": true, "before": true}],
-    "linebreak-style": ["error", "unix"],
-    "max-len": ["error", {"code": 79, "ignorePattern": "^ *//# ", "ignoreUrls": true}],
-    "new-parens": ["error"],
-    "no-array-constructor": ["error"],
-    "no-caller": ["error"],
-    "no-case-declarations": ["error"],
     "no-catch-shadow": ["error"],
-    "no-compare-neg-zero": ["error"],
-    "no-cond-assign": ["error", "except-parens"],
-    "no-dupe-args": ["error"],
-    "no-dupe-keys": ["error"],
-    "no-duplicate-case": ["error"],
-    "no-empty-character-class": ["error"],
-    "no-eval": ["error", {"allowIndirect": false}],
-    "no-extra-parens": ["error", "all", {"conditionalAssign": false, "nestedBinaryExpressions": false}],
-    "no-extra-semi": ["error"],
-    "no-fallthrough": ["error"],
-    "no-floating-decimal": ["error"],
     "no-func-assign": ["error"],
-    "no-global-assign": ["error"],
-    "no-implicit-coercion": ["error", {"allow": [], "boolean": true, "number": true, "string": true}],
     "no-inner-declarations": ["error", "functions"],
     "no-invalid-regexp": ["error", {"allowConstructorFlags": ["g", "i", "m"]}],
-    "no-irregular-whitespace": ["error", {"skipComments": false}],
-    "no-lonely-if": ["error"],
-    "no-mixed-spaces-and-tabs": ["error"],
-    "no-multi-str": ["error"],
-    "no-multiple-empty-lines": ["error", {"max": 2, "maxBOF": 0, "maxEOF": 0}],
-    "no-negated-condition": ["error"],
-    "no-new-object": ["error"],
-    "no-octal": ["error"],
-    "no-octal-escape": ["error"],
-    "no-param-reassign": ["error", {"props": false}],
-    "no-path-concat": ["error"],
-    "no-plusplus": ["error"],
-    "no-prototype-builtins": ["error"],
     "no-redeclare": ["error", {"builtinGlobals": true}],
-    "no-regex-spaces": ["error"],
-    "no-self-assign": ["error"],
-    "no-sequences": ["error"],
-    "no-shadow-restricted-names": ["error"],
-    "no-sparse-arrays": ["error"],
-    "no-tabs": ["error"],
-    "no-throw-literal": ["error"],
-    "no-trailing-spaces": ["error", {"skipBlankLines": false}],
-    "no-undef": ["error", {"typeof": false}],
-    "no-unexpected-multiline": ["error"],
-    "no-unneeded-ternary": ["error", {"defaultAssignment": false}],
-    "no-unreachable": ["error"],
-    "no-unsafe-negation": ["error"],
-    "no-unused-vars": ["error", {"args": "none", "caughtErrors": "none", "vars": "all"}],
-    "no-useless-concat": ["error"],
-    "no-useless-escape": ["error"],
-    "no-whitespace-before-property": ["error"],
-    "no-with": ["error"],
-    "object-curly-spacing": ["error", "never"],
-    "object-property-newline": ["error", {"allowMultiplePropertiesPerLine": true}],
-    "operator-assignment": ["error", "always"],
-    "quote-props": ["error", "as-needed", {"keywords": true}],
-    "quotes": ["error", "single", {"avoidEscape": true}],
-    "radix": ["error", "always"],
-    "semi": ["error", "always", {"omitLastInOneLineBlock": false}],
-    "semi-spacing": ["error", {"after": true, "before": false}],
-    "space-before-blocks": ["error", "always"],
-    "space-before-function-paren": ["error", {"anonymous": "never", "named": "never"}],
-    "space-in-parens": ["error", "never", {"exceptions": []}],
-    "space-infix-ops": ["error"],
-    "space-unary-ops": ["error", {"nonwords": false, "overrides": {}, "words": true}],
-    "spaced-comment": ["error", "always", {"line": {"exceptions": ["."], "markers": ["#", "."]}}],
-    "strict": ["error", "safe"],
-    "unicode-bom": ["error", "never"],
-    "valid-typeof": ["error", {"requireStringLiterals": true}],
-    "wrap-iife": ["error", "outside"],
-    "yoda": ["error", "never", {"exceptRange": true}]
+    "quote-props": ["error", "as-needed", {"keywords": true}]
   }
 }
diff --git a/eslint-es6-only.json b/eslint-es6-only.json
deleted file mode 100644
index 655ddc4..0000000
--- a/eslint-es6-only.json
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  "arrow-body-style": ["as-needed"],
-  "arrow-parens": ["as-needed"],
-  "arrow-spacing": [{"before": true, "after": true}],
-  "comma-dangle": ["always-multiline"],
-  "dot-notation": [{"allowKeywords": true}],
-  "func-style": ["declaration", {"allowArrowFunctions": true}],
-  "generator-star-spacing": [{"before": false, "after": true}],
-  "no-const-assign": [],
-  "no-invalid-regexp": [{"allowConstructorFlags": ["g", "i", "m", "u", "y"]}],
-  "no-useless-computed-key": [],
-  "no-useless-rename": [],
-  "no-var": [],
-  "prefer-arrow-callback": [{"allowNamedFunctions": false}],
-  "prefer-const": [{"destructuring": "any"}],
-  "prefer-numeric-literals": [],
-  "prefer-rest-params": [],
-  "prefer-spread": [],
-  "prefer-template": [],
-  "quote-props": ["as-needed", {"keywords": false}],
-  "template-curly-spacing": ["never"],
-  "template-tag-spacing": ["never"],
-  "yield-star-spacing": [{"before": false, "after": true}]
-}
diff --git a/eslint-es6.json b/eslint-es6.json
index 7b47ad9..3b2cc61 100644
--- a/eslint-es6.json
+++ b/eslint-es6.json
@@ -1,84 +1,19 @@
 {
+  "extends": ["./eslint-common.json"],
+  "env": {"es6": true},
   "rules": {
-    "array-bracket-spacing": ["error", "never"],
     "arrow-body-style": ["error", "as-needed"],
     "arrow-parens": ["error", "as-needed"],
-    "arrow-spacing": ["error", {"after": true, "before": true}],
-    "block-spacing": ["error", "always"],
-    "brace-style": ["error", "1tbs", {"allowSingleLine": true}],
+    "arrow-spacing": ["error", {"before": true, "after": true}],
     "comma-dangle": ["error", "always-multiline"],
-    "comma-spacing": ["error", {"after": true, "before": false}],
-    "comma-style": ["error", "last"],
-    "computed-property-spacing": ["error", "never"],
-    "curly": ["error", "multi-line", "consistent"],
-    "dot-location": ["error", "property"],
     "dot-notation": ["error", {"allowKeywords": true}],
-    "eol-last": ["error", "always"],
-    "eqeqeq": ["error", "always", {"null": "never"}],
-    "func-call-spacing": ["error", "never"],
     "func-style": ["error", "declaration", {"allowArrowFunctions": true}],
-    "generator-star-spacing": ["error", {"after": true, "before": false}],
-    "indent": ["error", 2, {"ArrayExpression": "first", "CallExpression": {"arguments": "first"}, "FunctionDeclaration": {"parameters": "first"}, "FunctionExpression": {"parameters": "first"}, "ObjectExpression": "first", "SwitchCase": 1}],
-    "key-spacing": ["error", {"afterColon": true, "beforeColon": false, "mode": "strict"}],
-    "keyword-spacing": ["error", {"after": true, "before": true}],
-    "linebreak-style": ["error", "unix"],
-    "max-len": ["error", {"code": 79, "ignorePattern": "^ *//# ", "ignoreUrls": true}],
-    "new-parens": ["error"],
-    "no-array-constructor": ["error"],
-    "no-caller": ["error"],
-    "no-case-declarations": ["error"],
-    "no-compare-neg-zero": ["error"],
-    "no-cond-assign": ["error", "except-parens"],
+    "generator-star-spacing": ["error", {"before": false, "after": true}],
     "no-const-assign": ["error"],
-    "no-dupe-args": ["error"],
-    "no-dupe-keys": ["error"],
-    "no-duplicate-case": ["error"],
-    "no-empty-character-class": ["error"],
-    "no-eval": ["error", {"allowIndirect": false}],
-    "no-extra-parens": ["error", "all", {"conditionalAssign": false, "nestedBinaryExpressions": false}],
-    "no-extra-semi": ["error"],
-    "no-fallthrough": ["error"],
-    "no-floating-decimal": ["error"],
-    "no-global-assign": ["error"],
-    "no-implicit-coercion": ["error", {"allow": [], "boolean": true, "number": true, "string": true}],
     "no-invalid-regexp": ["error", {"allowConstructorFlags": ["g", "i", "m", "u", "y"]}],
-    "no-irregular-whitespace": ["error", {"skipComments": false}],
-    "no-lonely-if": ["error"],
-    "no-mixed-spaces-and-tabs": ["error"],
-    "no-multi-str": ["error"],
-    "no-multiple-empty-lines": ["error", {"max": 2, "maxBOF": 0, "maxEOF": 0}],
-    "no-negated-condition": ["error"],
-    "no-new-object": ["error"],
-    "no-octal": ["error"],
-    "no-octal-escape": ["error"],
-    "no-param-reassign": ["error", {"props": false}],
-    "no-path-concat": ["error"],
-    "no-plusplus": ["error"],
-    "no-prototype-builtins": ["error"],
-    "no-regex-spaces": ["error"],
-    "no-self-assign": ["error"],
-    "no-sequences": ["error"],
-    "no-shadow-restricted-names": ["error"],
-    "no-sparse-arrays": ["error"],
-    "no-tabs": ["error"],
-    "no-throw-literal": ["error"],
-    "no-trailing-spaces": ["error", {"skipBlankLines": false}],
-    "no-undef": ["error", {"typeof": false}],
-    "no-unexpected-multiline": ["error"],
-    "no-unneeded-ternary": ["error", {"defaultAssignment": false}],
-    "no-unreachable": ["error"],
-    "no-unsafe-negation": ["error"],
-    "no-unused-vars": ["error", {"args": "none", "caughtErrors": "none", "vars": "all"}],
     "no-useless-computed-key": ["error"],
-    "no-useless-concat": ["error"],
-    "no-useless-escape": ["error"],
     "no-useless-rename": ["error"],
     "no-var": ["error"],
-    "no-whitespace-before-property": ["error"],
-    "no-with": ["error"],
-    "object-curly-spacing": ["error", "never"],
-    "object-property-newline": ["error", {"allowMultiplePropertiesPerLine": true}],
-    "operator-assignment": ["error", "always"],
     "prefer-arrow-callback": ["error", {"allowNamedFunctions": false}],
     "prefer-const": ["error", {"destructuring": "any"}],
     "prefer-numeric-literals": ["error"],
@@ -86,23 +21,8 @@
     "prefer-spread": ["error"],
     "prefer-template": ["error"],
     "quote-props": ["error", "as-needed", {"keywords": false}],
-    "quotes": ["error", "single", {"avoidEscape": true}],
-    "radix": ["error", "always"],
-    "semi": ["error", "always", {"omitLastInOneLineBlock": false}],
-    "semi-spacing": ["error", {"after": true, "before": false}],
-    "space-before-blocks": ["error", "always"],
-    "space-before-function-paren": ["error", {"anonymous": "never", "named": "never"}],
-    "space-in-parens": ["error", "never", {"exceptions": []}],
-    "space-infix-ops": ["error"],
-    "space-unary-ops": ["error", {"nonwords": false, "overrides": {}, "words": true}],
-    "spaced-comment": ["error", "always", {"line": {"exceptions": ["."], "markers": ["#", "."]}}],
-    "strict": ["error", "safe"],
     "template-curly-spacing": ["error", "never"],
     "template-tag-spacing": ["error", "never"],
-    "unicode-bom": ["error", "never"],
-    "valid-typeof": ["error", {"requireStringLiterals": true}],
-    "wrap-iife": ["error", "outside"],
-    "yield-star-spacing": ["error", {"after": true, "before": false}],
-    "yoda": ["error", "never", {"exceptRange": true}]
+    "yield-star-spacing": ["error", {"before": false, "after": true}]
   }
 }
diff --git a/package.json b/package.json
index c793c34..2432241 100644
--- a/package.json
+++ b/package.json
@@ -12,16 +12,15 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "eslint": "3.19.x",
-    "ramda": "0.21.x",
     "xyz": "2.0.x"
   },
   "peerDependencies": {
-    "eslint": "3.19.x"
+    "eslint": "4.5.x"
   },
   "files": [
     "/LICENSE",
     "/README.md",
+    "/eslint-common.json",
     "/eslint-es3.json",
     "/eslint-es6.json",
     "/package.json"
diff --git a/scripts/eslint-combine b/scripts/eslint-combine
deleted file mode 100755
index 2dc50d6..0000000
--- a/scripts/eslint-combine
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/env node
-
-'use strict';
-
-const R = require('ramda');
-
-const _ = R.__;
-
-R.pipe(
-  R.drop(2),
-  R.reverse,
-  R.map(R.concat('../')),
-  R.map(require),
-  R.map(R.toPairs),
-  R.reduce(R.concat, []),
-  R.uniqBy(R.head),
-  R.sortBy(R.head),
-  R.map(R.adjust(R.concat(['error']), 1)),
-  R.map(R.map(R.toString)),
-  R.map(R.join(': ')),
-  R.join(',\n    '),
-  R.replace('"x": 1', _, JSON.stringify({rules: {x: 1}}, null, 2)),
-  R.concat(_, '\n'),
-  s => { process.stdout.write(s); }
-)(process.argv);