diff --git a/src/MNH/aircraft_balloon.f90 b/src/MNH/aircraft_balloon.f90
index 8008047104f8653d912109e2fbb53d5412f99517..6af5edcf4611a9706b64fddc4499ebfdf73f4080 100644
--- a/src/MNH/aircraft_balloon.f90
+++ b/src/MNH/aircraft_balloon.f90
@@ -25,18 +25,6 @@ PUBLIC :: AIRCRAFT_BALLOON
 
 PUBLIC :: AIRCRAFT_BALLOON_LONGTYPE_GET
 
-INTEGER, PARAMETER :: NTAG_NCUR = 145
-INTEGER, PARAMETER :: NTAG_PACK = 245
-
-INTEGER, PARAMETER :: NMODEL_FIX = 1
-INTEGER, PARAMETER :: NMODEL_MOB = 2
-
-INTEGER, PARAMETER :: NTYPE_AIRCRA = 0
-INTEGER, PARAMETER :: NTYPE_CVBALL = 1
-INTEGER, PARAMETER :: NTYPE_ISODEN = 2
-INTEGER, PARAMETER :: NTYPE_RADIOS = 4
-
-
 CONTAINS
 !
 !     #################################################################