diff --git a/lib/bap_elf/bap_elf.mli b/lib/bap_elf/bap_elf.mli
index c85e5d4ff..cb640a711 100644
--- a/lib/bap_elf/bap_elf.mli
+++ b/lib/bap_elf/bap_elf.mli
@@ -1,6 +1,5 @@
 open Core_kernel.Std
 open Regular.Std
-open Bap.Std
 
 
 
diff --git a/lib/bap_elf/elf_types.ml b/lib/bap_elf/elf_types.ml
index 5254699f3..4a10bae17 100644
--- a/lib/bap_elf/elf_types.ml
+++ b/lib/bap_elf/elf_types.ml
@@ -1,6 +1,5 @@
 open Core_kernel.Std
 open Regular.Std
-open Bap.Std
 
 type e_class =
   | ELFCLASS32
diff --git a/oasis/common.tags.in b/oasis/common.tags.in
index 76b07fb14..b7c783d44 100644
--- a/oasis/common.tags.in
+++ b/oasis/common.tags.in
@@ -3,6 +3,6 @@
 true: short_paths
 true: bin_annot
 true: debug
-<**/*>: predicate(ppx_driver)
-<**/*>: pp(ppx-jane -dump-ast -inline-test-drop)
+not <**/bap_elf/*>: predicate(ppx_driver)
+not <**/bap_elf/*>: pp(ppx-jane -dump-ast -inline-test-drop)
 true: warn(+a-4-6-7-9-27-29-32..42-44-45-48-50-60)
\ No newline at end of file
diff --git a/oasis/elf b/oasis/elf
index c8ca9bc7a..3a68f3e4b 100644
--- a/oasis/elf
+++ b/oasis/elf
@@ -7,7 +7,7 @@ Library elf
   Path:          lib/bap_elf
   Build$:        flag(elf)
   FindlibName:   bap-elf
-  BuildDepends:  bap, bitstring, bitstring.ppx, ppx_deriving
+  BuildDepends:  bitstring, bitstring.ppx, regular
   Modules: Bap_elf
   InternalModules:
                  Elf_parse,