diff --git a/app/core/gimpsamplepoint.h b/app/core/gimpsamplepoint.h
index be0dccaa4a..aef3ab0a5c 100644
--- a/app/core/gimpsamplepoint.h
+++ b/app/core/gimpsamplepoint.h
@@ -19,9 +19,6 @@
 #define __GIMP_SAMPLE_POINT_H__
 
 
-#define GIMP_SAMPLE_POINT_DRAW_SIZE 10
-
-
 #define GIMP_TYPE_SAMPLE_POINT (gimp_sample_point_get_type ())
 
 
diff --git a/app/display/gimpcanvassamplepoint.c b/app/display/gimpcanvassamplepoint.c
index 494d470bc2..7e5e7f5210 100644
--- a/app/display/gimpcanvassamplepoint.c
+++ b/app/display/gimpcanvassamplepoint.c
@@ -37,6 +37,9 @@
 #include "gimpdisplayshell-transform.h"
 
 
+#define GIMP_SAMPLE_POINT_DRAW_SIZE 10
+
+
 enum
 {
   PROP_0,