diff --git a/gtk/gtkspinbutton.c b/gtk/gtkspinbutton.c
index b0b15c7b11..9861b14da9 100644
--- a/gtk/gtkspinbutton.c
+++ b/gtk/gtkspinbutton.c
@@ -61,7 +61,6 @@
 #define MAX_TIMER_CALLS       5
 #define EPSILON               1e-10
 #define MAX_DIGITS            20
-#define MIN_ARROW_WIDTH       6
 #define TIMEOUT_INITIAL       500
 #define TIMEOUT_REPEAT        50