diff --git a/src/config.cpp b/src/config.cpp
index 5ca0af7d1d..443923a101 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -388,20 +388,6 @@ void Config::setScriptEncoding(const QString& value)
     m_scriptEncoding = value;
 }
 
-QString Config::scriptLanguage() const
-{
-    return m_scriptLanguage;
-}
-
-void Config::setScriptLanguage(const QString& value)
-{
-    if (value.isEmpty()) {
-        return;
-    }
-
-    m_scriptLanguage = value;
-}
-
 QString Config::scriptFile() const
 {
     return m_scriptFile;
@@ -516,7 +502,6 @@ void Config::resetToDefaults()
     m_proxyAuthPass.clear();
     m_scriptArgs.clear();
     m_scriptEncoding = "UTF-8";
-    m_scriptLanguage.clear();
     m_scriptFile.clear();
     m_unknownOption.clear();
     m_versionFlag = false;
@@ -706,10 +691,6 @@ void Config::handleOption(const QString& option, const QVariant& value)
         setScriptEncoding(value.toString());
     }
 
-    if (option == "script-language") {
-        setScriptLanguage(value.toString());
-    }
-
     if (option == "web-security") {
         setWebSecurityEnabled(boolValue);
     }
diff --git a/src/config.h b/src/config.h
index 9fe063c5c2..eb15beea50 100644
--- a/src/config.h
+++ b/src/config.h
@@ -137,9 +137,6 @@ class Config: public QObject
     QString scriptEncoding() const;
     void setScriptEncoding(const QString& value);
 
-    QString scriptLanguage() const;
-    void setScriptLanguage(const QString& value);
-
     QString scriptFile() const;
     void setScriptFile(const QString& value);
 
diff --git a/src/phantom.cpp b/src/phantom.cpp
index 170f66cbf4..2a614f40c1 100644
--- a/src/phantom.cpp
+++ b/src/phantom.cpp
@@ -208,15 +208,6 @@ bool Phantom::execute()
     if (m_config.scriptFile().isEmpty()) {                       // REPL mode requested
         qDebug() << "Phantom - execute: Starting REPL mode";
 
-        // REPL is only valid for javascript
-        const QString& scriptLanguage = m_config.scriptLanguage();
-        if (scriptLanguage != "javascript" && !scriptLanguage.isNull()) {
-            QString errMessage = QString("Unsupported language: %1").arg(scriptLanguage);
-            Terminal::instance()->cerr(errMessage);
-            qWarning("%s", qPrintable(errMessage));
-            return false;
-        }
-
         // Create the REPL: it will launch itself, no need to store this variable.
         REPL::getInstance(m_page->mainFrame(), this);
     } else {                                                            // Load the User Script
@@ -229,12 +220,12 @@ bool Phantom::execute()
             if (m_config.remoteDebugPort() == 0) {
                 qWarning() << "Can't bind remote debugging server to the port" << originalPort;
             }
-            if (!Utils::loadJSForDebug(m_config.scriptFile(), m_config.scriptLanguage(), m_scriptFileEnc, QDir::currentPath(), m_page->mainFrame(), m_config.remoteDebugAutorun())) {
+            if (!Utils::loadJSForDebug(m_config.scriptFile(), m_scriptFileEnc, QDir::currentPath(), m_page->mainFrame(), m_config.remoteDebugAutorun())) {
                 m_returnValue = -1;
                 return false;
             }
         } else {
-            if (!Utils::injectJsInFrame(m_config.scriptFile(), m_config.scriptLanguage(), m_scriptFileEnc, QDir::currentPath(), m_page->mainFrame(), true)) {
+            if (!Utils::injectJsInFrame(m_config.scriptFile(), m_scriptFileEnc, QDir::currentPath(), m_page->mainFrame(), true)) {
                 m_returnValue = -1;
                 return false;
             }
@@ -391,7 +382,7 @@ bool Phantom::injectJs(const QString& jsFilePath)
         return false;
     }
 
-    return Utils::injectJsInFrame(pre + jsFilePath, libraryPath(), m_page->mainFrame());
+    return Utils::injectJsInFrame(pre + jsFilePath, Encoding::UTF8, libraryPath(), m_page->mainFrame());
 }
 
 void Phantom::setProxy(const QString& ip, const qint64& port, const QString& proxyType, const QString& user, const QString& password)
diff --git a/src/utils.cpp b/src/utils.cpp
index 9970e1cc07..543bfb4cff 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -55,7 +55,7 @@ static QString findScript(const QString& jsFilePath, const QString& libraryPath)
     return QString();
 }
 
-static QString jsFromScriptFile(const QString& scriptPath, const QString& scriptLanguage, const Encoding& enc)
+static QString jsFromScriptFile(const QString& scriptPath, const Encoding& enc)
 {
     QFile jsFile(scriptPath);
     if (jsFile.exists() && jsFile.open(QFile::ReadOnly)) {
@@ -69,14 +69,6 @@ static QString jsFromScriptFile(const QString& scriptPath, const QString& script
             scriptBody.remove(0, len);
         }
 
-        // If a language is specified and is not "javascript", reject it.
-        if (scriptLanguage != "javascript" && !scriptLanguage.isNull()) {
-            QString errMessage = QString("Unsupported language: %1").arg(scriptLanguage);
-            Terminal::instance()->cerr(errMessage);
-            qWarning("%s", qPrintable(errMessage));
-            return QString();
-        }
-
         return scriptBody;
     } else {
         return QString();
@@ -113,16 +105,11 @@ void messageHandler(QtMsgType type, const QMessageLogContext& context, const QSt
     }
 }
 
-bool injectJsInFrame(const QString& jsFilePath, const QString& libraryPath, QWebFrame* targetFrame, const bool startingScript)
-{
-    return injectJsInFrame(jsFilePath, QString(), Encoding::UTF8, libraryPath, targetFrame, startingScript);
-}
-
-bool injectJsInFrame(const QString& jsFilePath, const QString& jsFileLanguage, const Encoding& jsFileEnc, const QString& libraryPath, QWebFrame* targetFrame, const bool startingScript)
+bool injectJsInFrame(const QString& jsFilePath, const Encoding& jsFileEnc, const QString& libraryPath, QWebFrame* targetFrame, const bool startingScript)
 {
     // Don't do anything if an empty string is passed
     QString scriptPath = findScript(jsFilePath, libraryPath);
-    QString scriptBody = jsFromScriptFile(scriptPath, jsFileLanguage, jsFileEnc);
+    QString scriptBody = jsFromScriptFile(scriptPath, jsFileEnc);
     if (scriptBody.isEmpty()) {
         if (startingScript) {
             Terminal::instance()->cerr(QString("Can't open '%1'").arg(jsFilePath));
@@ -136,15 +123,10 @@ bool injectJsInFrame(const QString& jsFilePath, const QString& jsFileLanguage, c
     return true;
 }
 
-bool loadJSForDebug(const QString& jsFilePath, const QString& libraryPath, QWebFrame* targetFrame, const bool autorun)
-{
-    return loadJSForDebug(jsFilePath, QString(), Encoding::UTF8, libraryPath, targetFrame, autorun);
-}
-
-bool loadJSForDebug(const QString& jsFilePath, const QString& jsFileLanguage, const Encoding& jsFileEnc, const QString& libraryPath, QWebFrame* targetFrame, const bool autorun)
+bool loadJSForDebug(const QString& jsFilePath, const Encoding& jsFileEnc, const QString& libraryPath, QWebFrame* targetFrame, const bool autorun)
 {
     QString scriptPath = findScript(jsFilePath, libraryPath);
-    QString scriptBody = jsFromScriptFile(scriptPath, jsFileLanguage, jsFileEnc);
+    QString scriptBody = jsFromScriptFile(scriptPath, jsFileEnc);
 
     scriptBody = QString("function __run() {\n%1\n}").arg(scriptBody);
     targetFrame->evaluateJavaScript(scriptBody);
diff --git a/src/utils.h b/src/utils.h
index a4c3d14feb..251c6c17b7 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -49,24 +49,12 @@ void messageHandler(QtMsgType type,
 extern bool printDebugMessages;
 
 bool injectJsInFrame(const QString& jsFilePath,
-                     const QString& libraryPath,
-                     QWebFrame* targetFrame,
-                     const bool startingScript = false);
-
-bool injectJsInFrame(const QString& jsFilePath,
-                     const QString& jsFileLanguage,
                      const Encoding& jsFileEnc,
                      const QString& libraryPath,
                      QWebFrame* targetFrame,
                      const bool startingScript = false);
 
 bool loadJSForDebug(const QString& jsFilePath,
-                    const QString& libraryPath,
-                    QWebFrame* targetFrame,
-                    const bool autorun = false);
-
-bool loadJSForDebug(const QString& jsFilePath,
-                    const QString& jsFileLanguage,
                     const Encoding& jsFileEnc,
                     const QString& libraryPath,
                     QWebFrame* targetFrame,
diff --git a/src/webpage.cpp b/src/webpage.cpp
index 897f6dd025..0d2b13fd1c 100644
--- a/src/webpage.cpp
+++ b/src/webpage.cpp
@@ -1383,7 +1383,7 @@ void WebPage::_uploadFile(const QString& selector, const QStringList& fileNames)
 
 bool WebPage::injectJs(const QString& jsFilePath)
 {
-    return Utils::injectJsInFrame(jsFilePath, m_libraryPath, m_currentFrame);
+    return Utils::injectJsInFrame(jsFilePath, Encoding::UTF8, m_libraryPath, m_currentFrame);
 }
 
 void WebPage::_appendScriptElement(const QString& scriptUrl)