diff --git a/chatterino.pro b/chatterino.pro
index c3dc988f2..b7c10c64b 100644
--- a/chatterino.pro
+++ b/chatterino.pro
@@ -177,7 +177,8 @@ SOURCES += \
     src/providers/irc/ircserver.cpp \
     src/providers/irc/ircchannel2.cpp \
     src/util/streamlink.cpp \
-    src/providers/twitch/twitchhelpers.cpp
+    src/providers/twitch/twitchhelpers.cpp \
+    src/widgets/helper/signallabel.cpp
 
 HEADERS  += \
     src/precompiled_header.hpp \
diff --git a/src/widgets/helper/signallabel.cpp b/src/widgets/helper/signallabel.cpp
new file mode 100644
index 000000000..c7bb87940
--- /dev/null
+++ b/src/widgets/helper/signallabel.cpp
@@ -0,0 +1,34 @@
+#include "widgets/helper/signallabel.hpp"
+
+SignalLabel::SignalLabel(QWidget *parent, Qt::WindowFlags f)
+    : QLabel(parent, f)
+{
+}
+
+void SignalLabel::mouseDoubleClickEvent(QMouseEvent *ev)
+{
+    emit this->mouseDoubleClick(ev);
+}
+
+void SignalLabel::mousePressEvent(QMouseEvent *event)
+{
+    if (event->button() == Qt::LeftButton) {
+        emit mouseDown();
+    }
+
+    event->ignore();
+}
+
+void SignalLabel::mouseReleaseEvent(QMouseEvent *event)
+{
+    if (event->button() == Qt::LeftButton) {
+        emit mouseUp();
+    }
+
+    event->ignore();
+}
+
+void SignalLabel::mouseMoveEvent(QMouseEvent *event)
+{
+    event->ignore();
+}
diff --git a/src/widgets/helper/signallabel.hpp b/src/widgets/helper/signallabel.hpp
index e479b5695..513fdbabc 100644
--- a/src/widgets/helper/signallabel.hpp
+++ b/src/widgets/helper/signallabel.hpp
@@ -10,11 +10,8 @@ class SignalLabel : public QLabel
     Q_OBJECT
 
 public:
-    explicit SignalLabel(QWidget *parent = 0, Qt::WindowFlags f = 0)
-        : QLabel(parent, f)
-    {
-    }
-    virtual ~SignalLabel() = default;
+    explicit SignalLabel(QWidget *parent = nullptr, Qt::WindowFlags f = 0);
+    ~SignalLabel() override = default;
 
 signals:
     void mouseDoubleClick(QMouseEvent *ev);
@@ -23,31 +20,8 @@ signals:
     void mouseUp();
 
 protected:
-    virtual void mouseDoubleClickEvent(QMouseEvent *ev) override
-    {
-        emit this->mouseDoubleClick(ev);
-    }
-
-    virtual void mousePressEvent(QMouseEvent *event) override
-    {
-        if (event->button() == Qt::LeftButton) {
-            emit mouseDown();
-        }
-
-        event->ignore();
-    }
-
-    void mouseReleaseEvent(QMouseEvent *event) override
-    {
-        if (event->button() == Qt::LeftButton) {
-            emit mouseUp();
-        }
-
-        event->ignore();
-    }
-
-    virtual void mouseMoveEvent(QMouseEvent *event) override
-    {
-        event->ignore();
-    }
+    void mouseDoubleClickEvent(QMouseEvent *ev) override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
 };