diff --git a/build/mathcell.js b/build/mathcell.js
index 5f4d9d2..fbe31f1 100644
--- a/build/mathcell.js
+++ b/build/mathcell.js
@@ -2829,15 +2829,6 @@ function threejsTemplate( config, lights, texts, points, lines, surfaces ) {
 <script>
 
 var config = ${config};
-
-if ( config.includeMath ) {
-
-  var script = document.createElement( 'script' );
-  script.src = 'https://cdn.jsdelivr.net/gh/paulmasson/math/build/math.js';
-  document.head.append( script ); // more reliable than body
-
-}
-
 var scene = new THREE.Scene();
 
 var renderer = new THREE.WebGLRenderer( { antialias: true } );
diff --git a/docs/animations.html b/docs/animations.html
index bcc50da..5859561 100644
--- a/docs/animations.html
+++ b/docs/animations.html
@@ -41,7 +41,5 @@
 
 <p>Objects and surfaces can be assigned a <code>group</code> name in their <code>options</code> dictionaries for common animation operations.</p>
 
-<p>Higher-level <a href="https://github.com/paulmasson/math" target="_blank">Math</a> can be used by setting <code>includeMath</code> to <code>true</code>. Animate with Bessel functions or Jacobi elliptic functions! See <a href="examples/kepler-orbits.html">Kepler orbits</a> for an example using numerical inversion.</p>
-
 </body>
 </html>
\ No newline at end of file
diff --git a/docs/outputs.html b/docs/outputs.html
index 3bbfa08..6208f3a 100644
--- a/docs/outputs.html
+++ b/docs/outputs.html
@@ -87,8 +87,6 @@
   <code>equalAspect</code></td><td><code>false</code>
 </td></tr><tr><td>
   <code>frame</code></td><td><code>true</code>
-</td></tr><tr><td>
-  <code>includeMath</code></td><td><code>false</code>
 </td></tr><tr><td>
   <code>viewpoint</code></td><td>automatic
 </td></tr></table>
@@ -107,7 +105,7 @@
 
 <p><code>material</code> can take the additional values 'normal' or 'standard'.</p>
 
-<p>See the <a href="animations.html">animations</a> page for those two options and <code>includeMath</code>.</p>
+<p>See the <a href="animations.html">animations</a> page for those two options, as well as how to include functions that are not part of standard JavaScript.</p>
 
 <br/><p>A <code>matrix</code> output displays the contents of a two-dimensional array in matrix form. You may need to adjust the width and height of the MathCell to show the entire array properly.</p>
 
diff --git a/src/render/threejs-template.js b/src/render/threejs-template.js
index 17474cb..1c9ddb1 100644
--- a/src/render/threejs-template.js
+++ b/src/render/threejs-template.js
@@ -22,15 +22,6 @@ function threejsTemplate( config, lights, texts, points, lines, surfaces ) {
 <script>
 
 var config = ${config};
-
-if ( config.includeMath ) {
-
-  var script = document.createElement( 'script' );
-  script.src = 'https://cdn.jsdelivr.net/gh/paulmasson/math/build/math.js';
-  document.head.append( script ); // more reliable than body
-
-}
-
 var scene = new THREE.Scene();
 
 var renderer = new THREE.WebGLRenderer( { antialias: true } );