1 files changed, 0 insertions, 3 deletions
diff --git a/profile.h b/profile.h
index ab5853d9e..69de6d352 100644
--- a/profile.h
+++ b/profile.h
@@ -88,9 +88,6 @@ int get_maxtime(struct plot_info *pi);
  * partial pressure graphs */
 int get_maxdepth(struct plot_info *pi);
 
-#define DILUENT_CYLINDER 1
-#define DILUENT 1
-#define NONDILUENT 0
 #define SENSOR_PR 0
 #define INTERPOLATED_PR 1
 #define SENSOR_PRESSURE(_entry) (_entry)->pressure[SENSOR_PR]