diff --git a/build.py b/build.py
index 0129d55881..9b6adc08e8 100755
--- a/build.py
+++ b/build.py
@@ -178,11 +178,9 @@ def build_ol_new_js(t):
     report_sizes(t)
 
 
-@target('build/ol-simple.js', PLOVR_JAR, SRC, EXPORTS, SHADER_SRC,
-        'buildcfg/base.json', 'buildcfg/ol.json', 'buildcfg/ol-simple.json')
+@target('build/ol-simple.js', SRC, SHADER_SRC, 'buildcfg/ol-simple.json')
 def build_ol_simple_js(t):
-    t.output('%(JAVA)s', '-server', '-XX:+TieredCompilation', '-jar',
-            PLOVR_JAR, 'build', 'buildcfg/ol-simple.json')
+    t.run('node', 'tasks/build.js', 'buildcfg/ol-simple.json', 'build/ol-simple.js')
     report_sizes(t)
 
 
diff --git a/buildcfg/ol-simple.json b/buildcfg/ol-simple.json
index 5cb4be99de..9ea2246179 100644
--- a/buildcfg/ol-simple.json
+++ b/buildcfg/ol-simple.json
@@ -1,39 +1,63 @@
 {
-
-  // If ambiguate-properties and disambiguate-properties are set to true
-  // we get function names like "ol_control_Control_prototype$setMap" in
-  // the compiled code when using the SIMPLE compilation. It looks like
-  // "ambiguate-properties" and  "disambiguate-properties" are only
-  // appropriate for ADVANCED compilation.
-
-  "ambiguate-properties": false,
-
-  "disambiguate-properties": false,
-
-  "id": "ol-simple",
-
-  "externs": [
-    "../externs/bingmaps.js",
-    "../externs/closure-compiler.js",
-    "../externs/geojson.js",
-    "../externs/oli.js",
-    "../externs/olx.js",
-    "../externs/proj4js.js",
-    "../externs/tilejson.js",
-    "../externs/topojson.js",
-    "../externs/vbarray.js"
-  ],
-
-  "inherits": "ol.json",
-
-  "inputs": [
-    "../build/exports.js"
-  ],
-
-  "mode": "SIMPLE",
-
-  // Note: we can't have a (function(){%output%})() output wrapper with
-  // WHITESPACE and SIMPLE modes. See this link for explanations:
-  // https://groups.google.com/forum/#!topic/plovr/gQyZEa2NpsU
-  "output-wrapper": "%output%"
+  "exports": ["*"],
+  "src": ["src/**/*.js"],
+  "compile": {
+    "externs": [
+      "externs/bingmaps.js",
+      "externs/closure-compiler.js",
+      "externs/geojson.js",
+      "externs/oli.js",
+      "externs/olx.js",
+      "externs/proj4js.js",
+      "externs/tilejson.js",
+      "externs/topojson.js",
+      "externs/vbarray.js"
+    ],
+    "define": [
+      "goog.dom.ASSUME_STANDARDS_MODE=true",
+      "goog.DEBUG=false"
+    ],
+    "jscomp_error": [
+      "accessControls",
+      "ambiguousFunctionDecl",
+      "checkDebuggerStatement",
+      "checkEventfulObjectDisposal",
+      "checkProvides",
+      "checkRegExp",
+      "checkStructDictInheritance",
+      "checkTypes",
+      "checkVars",
+      "const",
+      "constantProperty",
+      "deprecated",
+      "duplicate",
+      "duplicateMessage",
+      "es3",
+      "externsValidation",
+      "fileoverviewTags",
+      "globalThis",
+      "internetExplorerChecks",
+      "invalidCasts",
+      "misplacedTypeAnnotation",
+      "missingProperties",
+      "nonStandardJsDocs",
+      "strictModuleDepCheck",
+      "suspiciousCode",
+      "typeInvalidation",
+      "tweakValidation",
+      "undefinedNames",
+      "undefinedVars",
+      "unknownDefines",
+      "uselessCode",
+      "violatedModuleDep",
+      "visibility"
+    ],
+    "jscomp_off": [
+      "es5Strict"
+    ],
+    "compilation_level": "SIMPLE_OPTIMIZATIONS",
+    "output_wrapper": "%output%",
+    "use_types_for_optimization": false,
+    "manage_closure_dependencies": true
+  }
 }