diff --git a/sw/airborne/booz/ins/booz2_hf_float.c b/sw/airborne/booz/ins/booz2_hf_float-old.c
similarity index 100%
rename from sw/airborne/booz/ins/booz2_hf_float.c
rename to sw/airborne/booz/ins/booz2_hf_float-old.c
diff --git a/sw/airborne/booz/ins/booz2_hf_float.h b/sw/airborne/booz/ins/booz2_hf_float-old.h
similarity index 100%
rename from sw/airborne/booz/ins/booz2_hf_float.h
rename to sw/airborne/booz/ins/booz2_hf_float-old.h