diff --git a/build.py b/build.py
index ff6b9a4ded..b24075599f 100755
--- a/build.py
+++ b/build.py
@@ -128,8 +128,6 @@ SRC = [path
        if path.endswith('.js')
        if path not in SHADER_SRC]
 
-PROJ4JS = 'build/proj4js/dist/proj4.js'
-
 
 def report_sizes(t):
     stringio = StringIO()
@@ -346,7 +344,7 @@ def examples_star_combined_js(name, match):
     return Target(name, action=action, dependencies=dependencies)
 
 
-@target('serve', PROJ4JS, 'examples')
+@target('serve', 'examples')
 def serve(t):
     t.run('node', 'tasks/serve.js')
 
@@ -669,14 +667,7 @@ def check_examples(t):
         t.run('%(PHANTOMJS)s', 'bin/check-example.js', example)
 
 
-@target(PROJ4JS)
-def proj4js(t):
-    contents = open('node_modules/proj4/dist/proj4.js').read()
-    with open(t.name, 'wb') as f:
-        f.write(contents)
-
-
-@target('test', PROJ4JS, phony=True)
+@target('test', phony=True)
 def test(t):
     t.run('node', 'tasks/test.js')
 
diff --git a/test/index.html b/test/index.html
index ae9d85feaa..e8400cbaef 100644
--- a/test/index.html
+++ b/test/index.html
@@ -13,6 +13,7 @@
   <script type="text/javascript" src="../node_modules/expect.js/index.js"></script>
   <script type="text/javascript" src="../node_modules/sinon/pkg/sinon.js"></script>
   <script type="text/javascript" src="../node_modules/mocha/mocha.js"></script>
+  <script type="text/javascript" src="../node_modules/proj4/dist/proj4.js"></script>
   <script type="text/javascript" src="test-extensions.js"></script>
   <script>
     mocha.setup({
@@ -20,7 +21,6 @@
       bail: false
     });
   </script>
-  <script type="text/javascript" src="../build/proj4js/dist/proj4.js"></script>
 
   <!-- This script is provided by the debug server (start with `build.py serve`) -->
   <script type="text/javascript" src="loader.js"></script>