diff --git a/src/MNH/prep_ideal_case.f90 b/src/MNH/prep_ideal_case.f90
index d01b3b59887d6d1dbd70dbd03df87767285346dc..37e7ad3a37d02d205cd5c166e4f24669224d669f 100644
--- a/src/MNH/prep_ideal_case.f90
+++ b/src/MNH/prep_ideal_case.f90
@@ -1210,10 +1210,6 @@ ELSE                                   ! 3D case
     ALLOCATE(XLBYSVM(0,0,0,0))
   END IF
 END IF
-#ifdef MNH_OPENACC
-
-CALL MNH_ALLOC_ZWORK( 1 )
-#endif
 !
 #ifdef MNH_OPENACC
 CALL MNH_ALLOC_ZWORK(1)