diff --git a/src/gtkdial.c b/src/gtkdial.c
index ff67b40..b2bf8ce 100644
--- a/src/gtkdial.c
+++ b/src/gtkdial.c
@@ -87,9 +87,6 @@ enum {
 static guint signals[LAST_SIGNAL];
 static GParamSpec *properties[LAST_PROP];
 
-typedef unsigned char guint8;
-typedef size_t gsize;
-
 struct DialColors {
   GdkRGBA trough_border,
           trough_bg,