diff --git a/libssu/ssu.cpp b/libssu/ssu.cpp
index d6fdeff..82975ef 100644
--- a/libssu/ssu.cpp
+++ b/libssu/ssu.cpp
@@ -517,7 +517,7 @@ void Ssu::storeAuthorizedKeys(QByteArray data)
     int uid_min = getdef_num("UID_MIN", -1);
     QString homePath;
 
-    if (getuid() >= uid_min) {
+    if (getuid() >= static_cast<uid_t>(uid_min)) {
         homePath = dir.homePath();
     } else if (getuid() == 0) {
         // place authorized_keys in the default users home when run with uid0
diff --git a/libssu/ssucoreconfig.cpp b/libssu/ssucoreconfig.cpp
index ee72c85..153af12 100644
--- a/libssu/ssucoreconfig.cpp
+++ b/libssu/ssucoreconfig.cpp
@@ -37,6 +37,9 @@ QPair<QString, QString> SsuCoreConfig::credentials(QString scope)
 
 QString SsuCoreConfig::credentialsScope(QString repoName, bool rndRepo)
 {
+    Q_UNUSED(repoName)
+    Q_UNUSED(rndRepo)
+
     if (contains("credentials-scope"))
         return value("credentials-scope").toString();
     else
@@ -158,7 +161,7 @@ QDBusConnection SsuCoreConfig::userSessionBus()
 
     // For calls from valid UID we assume that they are properly logged in users.
     // If they are not the call will fail, but it's their fault.
-    if (getuid() >= uid_min) {
+    if (getuid() >= static_cast<uid_t>(uid_min)) {
         return QDBusConnection::sessionBus();
     } else {
         // DBus security policy will prevent this beeing used by callers other
diff --git a/libssu/ssudeviceinfo.cpp b/libssu/ssudeviceinfo.cpp
index 3da4c0f..deb3a4d 100644
--- a/libssu/ssudeviceinfo.cpp
+++ b/libssu/ssudeviceinfo.cpp
@@ -53,9 +53,9 @@ QString SsuDeviceInfo::adaptationVariables(const QString &adaptationName, QHash<
     // - export the entry in the adaptation list as %(adaptation)
     // - look up variables for that adaptation, and export matching
     //   adaptation variable
-    QRegExp regex("adaptation\\\d*", Qt::CaseSensitive, QRegExp::RegExp2);
+    QRegExp regex("adaptation\\d*", Qt::CaseSensitive, QRegExp::RegExp2);
     if (regex.exactMatch(adaptationName)) {
-        regex.setPattern("\\\d*");
+        regex.setPattern("\\d*");
         regex.lastIndexIn(adaptationName);
         int n = regex.cap().toInt();
 
diff --git a/libssu/ssufeaturemanager.cpp b/libssu/ssufeaturemanager.cpp
index e899f18..42baee5 100644
--- a/libssu/ssufeaturemanager.cpp
+++ b/libssu/ssufeaturemanager.cpp
@@ -34,8 +34,6 @@ SsuFeatureManager::SsuFeatureManager(): QObject()
 QStringList SsuFeatureManager::repos(bool rndRepo, int filter)
 {
     QStringList r;
-    QStringList keys;
-    SsuCoreConfig *settings = SsuCoreConfig::instance();
 
     // @TODO features currently can't be blacklisted, but just ignoring user filter
     // is still the best way atm
diff --git a/libssu/ssusettings.cpp b/libssu/ssusettings.cpp
index 894a93c..602fcf3 100644
--- a/libssu/ssusettings.cpp
+++ b/libssu/ssusettings.cpp
@@ -46,8 +46,6 @@ void SsuSettings::merge(bool keepOld)
 
     bool skipMerge = true;
 
-    SsuLog *ssuLog = SsuLog::instance();
-
     QDirIterator it(settingsd, QDir::AllEntries | QDir::NoDot | QDir::NoDotDot, QDirIterator::FollowSymlinks);
     QStringList settingsFiles;
 
diff --git a/libssu/ssuvariables.cpp b/libssu/ssuvariables.cpp
index 9087ac8..8a14666 100644
--- a/libssu/ssuvariables.cpp
+++ b/libssu/ssuvariables.cpp
@@ -42,7 +42,7 @@ QString SsuVariables::resolveString(QString pattern, QHash<QString, QString> *va
         return "maximum-recursion-level-reached";
     }
 
-    QRegExp regex("%\\\([^%]*\\\)", Qt::CaseSensitive, QRegExp::RegExp2);
+    QRegExp regex("%\\([^%]*\\)", Qt::CaseSensitive, QRegExp::RegExp2);
     regex.setMinimal(true);
 
     int pos = 0;
@@ -253,6 +253,8 @@ void SsuVariables::readSection(SsuSettings *settings, QString section,
 QVariant SsuVariables::readVariable(SsuSettings *settings, QString section, const QString &key,
                                     int recursionDepth, bool logOverride)
 {
+    Q_UNUSED(logOverride)
+
     QVariant value;
 
     if (recursionDepth >= SSU_MAX_RECURSION) {
diff --git a/ssucli/ssucli.cpp b/ssucli/ssucli.cpp
index f0926bc..4258ddb 100644
--- a/ssucli/ssucli.cpp
+++ b/ssucli/ssucli.cpp
@@ -529,6 +529,8 @@ void SsuCli::optSet(QStringList opt)
 
 void SsuCli::optStatus(QStringList opt)
 {
+    Q_UNUSED(opt)
+
     QTextStream qout(stdout);
     QTextStream qerr(stderr);
     SsuDeviceInfo deviceInfo;
@@ -585,6 +587,8 @@ void SsuCli::optUpdateCredentials(QStringList opt)
 
 void SsuCli::optUpdateRepos(QStringList opt)
 {
+    Q_UNUSED(opt)
+
     QTextStream qerr(stdout);
 
     QDBusPendingReply<> reply = ssuProxy->updateRepos();
@@ -647,7 +651,7 @@ void SsuCli::run()
     bool found = false;
     int argc = arguments.count() - 2;
 
-    for (int i = 0; i < sizeof(handlers) / sizeof(handlers[0]); i++) {
+    for (unsigned int i = 0; i < sizeof(handlers) / sizeof(handlers[0]); i++) {
         if ((arguments.at(1) != handlers[i].longopt) &&
                 (arguments.at(1) != handlers[i].shortopt)) {
             continue;
diff --git a/tests/tests_common.pri b/tests/tests_common.pri
index c166f2f..f9481d1 100644
--- a/tests/tests_common.pri
+++ b/tests/tests_common.pri
@@ -1,3 +1,5 @@
+CONFIG += c++11
+
 isEmpty(TARGET):error("TARGET must be defined before this file is included")
 
 INCLUDEPATH *= $${PWD}