diff --git a/lib/expression/node/OperatorNode.js b/lib/expression/node/OperatorNode.js
index c2d3161e0..aac79a5da 100644
--- a/lib/expression/node/OperatorNode.js
+++ b/lib/expression/node/OperatorNode.js
@@ -280,13 +280,6 @@ OperatorNode.prototype._toTex = function(callbacks) {
        case 'OperatorNode:divide':
          //op contains '\\frac' at this point
          return op + lhsTex + rhsTex;
-
-       case 'OperatorNode:to':
-         rhsTex = '{' + latex.toUnit(rhs.toTex(callbacks)) + '}';
-         if (parens[1]) {
-           rhsTex = '\\left(' + rhsTex + '\\right)';
-         }
-         break;
      }
      return lhsTex + ' ' + op + ' ' + rhsTex;
 
diff --git a/lib/util/latex.js b/lib/util/latex.js
index 86ecd8ecf..01f81788f 100644
--- a/lib/util/latex.js
+++ b/lib/util/latex.js
@@ -498,11 +498,3 @@ exports.toFunction = function (node, callbacks, name) {
   //fallback
   return defaultToTex(node, callbacks, name);
 }
-
-exports.toUnit = (function() {
-  var _toUnit = latexToFn(units);
-
-  return function(value, notSpaced) {
-      return _toUnit(value);
-  };
-}());