diff --git a/client.h b/client.h
--- a/client.h
+++ b/client.h
@@ -555,7 +555,7 @@
     QRect geom_fs_restore;
     QTimer* shadeHoverTimer;
     xcb_colormap_t m_colormap;
-    QString cap_normal, cap_iconic, cap_suffix, cap_deco;
+    QString cap_normal, cap_iconic, cap_suffix;
     Group* in_group;
     TabGroup* tab_group;
     QTimer* ping_timer;
diff --git a/client.cpp b/client.cpp
--- a/client.cpp
+++ b/client.cpp
@@ -48,9 +48,6 @@
 #include <QFile>
 #include <QMouseEvent>
 #include <QProcess>
-#include <QStandardPaths>
-#include <QScriptEngine>
-#include <QScriptProgram>
 #include <QWhatsThis>
 // XLib
 #include <X11/Xutil.h>
@@ -1434,31 +1431,8 @@
         if (!s[i].isPrint())
             s[i] = QChar(u' ');
     cap_normal = s;
-    if (options->condensedTitle()) {
-        static QScriptEngine engine;
-        static QScriptProgram stripTitle;
-        static QScriptValue script;
-        if (stripTitle.isNull()) {
-            const QString scriptFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral(KWIN_NAME "/stripTitle.js"));
-            if (!scriptFile.isEmpty()) {
-                QFile f(scriptFile);
-                if (f.open(QIODevice::ReadOnly|QIODevice::Text)) {
-                    f.reset();
-                    stripTitle = QScriptProgram(QString::fromLocal8Bit(f.readAll()), QStringLiteral("stripTitle.js"));
-                    f.close();
-                }
-            }
-            if (stripTitle.isNull())
-                stripTitle = QScriptProgram(QStringLiteral("(function(title, wm_name, wm_class){ return title ; })"), QStringLiteral("stripTitle.js"));
-            script = engine.evaluate(stripTitle);
-        }
-        QScriptValueList args;
-        args << _s << QString::fromUtf8(resourceName()) << QString::fromUtf8(resourceClass());
-        s = script.call(QScriptValue(), args).toString();
-    }
-    if (!force && s == cap_deco)
+    if (!force)
         return;
-    cap_deco = s;
 
     bool reset_name = force;
     bool was_suffix = (!cap_suffix.isEmpty());
diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -7,6 +7,5 @@
 
 ########### install files ###############
 
-install( FILES stripTitle.js  DESTINATION  ${DATA_INSTALL_DIR}/kwin )
 install( FILES org_kde_kwin.categories DESTINATION ${KDE_INSTALL_CONFDIR} )
 
diff --git a/data/stripTitle.js b/data/stripTitle.js
deleted file mode 100644
--- a/data/stripTitle.js
+++ /dev/null
@@ -1,104 +0,0 @@
-// ==============================================================
-// Ok, *some* apps have really long and nasty window captions
-// this looks clutterd, so we allow to crop them a bit and remove
-// any information considered to be useless
-// ==============================================================
-
-function isBrowser(appName) {
-    if (appName.toLowerCase() == "konqueror")
-        return true;
-    if (appName.toLowerCase() == "rekonq")
-        return true;
-    if (appName.toLowerCase() == "qupzilla")
-        return true;
-    if (appName.toLowerCase() == "chromium")
-        return true;
-    if (appName.toLowerCase() == "firefox")
-        return true;
-    if (appName.toLowerCase() == "opera")
-        return true;
-    if (appName.toLowerCase() == "arora")
-        return true;
-    if (appName.toLowerCase() == "mozilla")
-        return true;
-    return false;
-}
-
-(function(title, wm_name, wm_class) {
-    var ret;
-
-    // == 1st off ======================================================================
-    // we assume the part beyond the last dash (if any) to be the
-    // uninteresting one (usually it's the apps name, if there's add info, that's
-    // more important to the user)
-    // --------------------------------------------------------------------------------
-    var lastPos = title.lastIndexOf(" – "); //  U+2013 "EN DASH"
-    if (lastPos > -1)
-        ret = title.slice(0, lastPos);
-    else {
-        lastPos = title.lastIndexOf(" - "); // ASCII Dash
-        if (lastPos > -1)
-            ret = title.slice(0, lastPos);
-        else {
-            lastPos = title.lastIndexOf(" — "); // U+2014 "EM DASH"
-            if (lastPos > -1)
-                ret = title.slice(0, lastPos);
-            else
-                ret = title;
-        }
-    }
-
-    // == 2nd =========================================================================
-    // Browsers set the caption to "<html><title/></html> - appname"
-    // Now the page titles can be ridiculously looooong, especially on news pages
-    // -------------------------------------------------------------------------------
-    if (isBrowser(wm_name)) {
-        var parts = ret.split(" - ");
-        ret = "";
-        if (parts.length > 2) {  // select last two if 3 or more sects, prelast otherwise
-            for (i = Math.max(0,parts.length-2); i < parts.length - 1; ++i)
-                ret = ret + parts[i] + " - ";
-            ret = ret + parts[parts.length - 1];
-        } else {
-            ret = ret + parts[Math.max(0,parts.length-2)];
-        }
-    }
-
-    // 3rd ============================================================================
-    // if there're any details left, cut of stuff by ": ",
-    // we remove them as well
-    // --------------------------------------------------------------------------------
-    var lastPos = ret.lastIndexOf(": ");
-    if (lastPos > -1)
-        ret = title.slice(0, lastPos);
-
-    // 4th ============================================================================
-    // if this is a http url, please get rid of protocol, assuming the user knows or doesn't care
-    // --------------------------------------------------------------------------------
-    ret = ret.replace("http://", '');
-
-    // finally =========================================================================
-    // if the remaining string still contains the app name (which should have been removed),
-    // please shape away additional info like compile time, version numbers etc.
-    // we usitlize the caption string to preserve CapiTaliZation
-    // -----------------------------------------------------------------------------------
-    lastPos = ret.indexOf(RegExp("\\b" + wm_name + "\\b"));
-    if (lastPos > -1)
-        ret = ret.substr(lastPos, wm_name.length);
-    else {
-        lastPos = ret.indexOf(RegExp("\\b" + wm_class + "\\b"));
-        if (lastPos > -1)
-            ret = ret.substr(lastPos, wm_class.length);
-    }
-
-    if (ret.length == 0)
-        ret = title; // something _terribly_ went wrong -> fall back to the original string
-
-    // but in any case get replace the stupid [modified] hint by just an asterisk
-    ret = ret.replace("[modified]", "❖");
-
-    // in general, remove leading [and trailing] blanks and special chars
-    // ret = ret.replace(/^\W*/, ''); - this does not work - Umlauts and pot. other chars are considered "non Word"
-    ret = ret.replace(/^\s*/, '').replace(/\s*$/, '');
-    return ret;
-})
\ No newline at end of file