diff --git a/lib/theme.cpp b/lib/theme.cpp
index 8beb9f9..4fd071d 100644
--- a/lib/theme.cpp
+++ b/lib/theme.cpp
@@ -2,11 +2,6 @@
 #include <QDebug>
 #include "theme_p.h"
 
-ThemePrivate::ThemePrivate(Theme *q)
-    : q_ptr(q)
-{
-}
-
 QColor ThemePrivate::rgba(int r, int g, int b, qreal a) const
 {
     QColor color(r, g, b);
diff --git a/lib/theme_p.h b/lib/theme_p.h
index bcbc345..ebcd96b 100644
--- a/lib/theme_p.h
+++ b/lib/theme_p.h
@@ -9,7 +9,9 @@ class ThemePrivate
     Q_DECLARE_PUBLIC(Theme)
 
 public:
-    ThemePrivate(Theme *q);
+    ThemePrivate(Theme *q)
+        : q_ptr(q)
+    {}
 
     QColor rgba(int r, int g, int b, qreal a) const;