diff --git a/src/_h5ai/client/js/inc/core/resource.js b/src/_h5ai/client/js/inc/core/resource.js
index af9ccebf..b8bb0150 100644
--- a/src/_h5ai/client/js/inc/core/resource.js
+++ b/src/_h5ai/client/js/inc/core/resource.js
@@ -34,26 +34,6 @@ modulejs.define('core/resource', ['_', '$', 'config', 'core/settings'], function
 			return fallbackHref + 'file.svg';
 		};
 
-		// loadScript = function (filename, callback) {
-
-		// 	$.ajax({
-		// 			url: scriptsHref + filename,
-		// 			dataType: 'script'
-		// 		}).done(function () {
-
-		// 			callback();
-		// 		});
-		// },
-
-		// loadScriptGlob = function (filename, globalId, callback) {
-
-		// 	if (win[globalId]) {
-		// 		callback(win[globalId]);
-		// 	} else {
-		// 		loadScript(filename, function () { callback(win[globalId]); });
-		// 	}
-		// };
-
 
 	return {
 		image: image,
diff --git a/src/_h5ai/client/js/inc/ext/preview-txt.js b/src/_h5ai/client/js/inc/ext/preview-txt.js
index 06d5df7d..07f4006a 100644
--- a/src/_h5ai/client/js/inc/ext/preview-txt.js
+++ b/src/_h5ai/client/js/inc/ext/preview-txt.js
@@ -9,43 +9,6 @@ modulejs.define('ext/preview-txt', ['_', '$', 'marked', 'prism', 'core/settings'
 		templateText = '<pre id="pv-txt-text" class="highlighted"><code/></pre>',
 		templateMarkdown = '<div id="pv-txt-text" class="markdown"/>',
 
-		// adapted from SyntaxHighlighter
-		getHighlightedLines = function (sh, alias, content) {
-
-			var brushes = sh.vars.discoveredBrushes,
-				Brush, brush;
-
-			if (!brushes) {
-				brushes = {};
-
-				_.each(sh.brushes, function (info, brush) {
-
-					var aliases = info.aliases;
-
-					if (aliases) {
-						info.brushName = brush.toLowerCase();
-
-						for (var i = 0; i < aliases.length; i += 1) {
-							brushes[aliases[i]] = brush;
-						}
-					}
-				});
-
-				sh.vars.discoveredBrushes = brushes;
-			}
-
-			Brush = sh.brushes[brushes[alias || 'plain']];
-
-			if (!Brush) {
-				return $();
-			}
-
-			brush = new Brush();
-			brush.init({toolbar: false, gutter: false});
-
-			return $(brush.getHtml(content)).find('.line');
-		},
-
 		preloadText = function (absHref, callback) {
 
 			$.ajax({
diff --git a/src/_h5ai/client/js/syntaxhighlighter.js b/src/_h5ai/client/js/syntaxhighlighter.js
deleted file mode 100644
index 1e2954bf..00000000
--- a/src/_h5ai/client/js/syntaxhighlighter.js
+++ /dev/null
@@ -1,3 +0,0 @@
-
-// @include "lib/sh/shCore.js"
-// @include "lib/sh/shBrush*.js"