diff --git a/test/unit/Makefile.include b/test/unit/Makefile.include
index 2f07fe9..4f44e1b 100644
--- a/test/unit/Makefile.include
+++ b/test/unit/Makefile.include
@@ -16,7 +16,6 @@ SRC_PATH        ?= $(realpath ../../../../)
 CDO             ?= $(SRC_PATH)/kpatch-build/create-diff-object
 TEST_LIBRARY    ?= $(SRC_PATH)/test/test-functions.sh
 
-CDO_ENV  = PARA_STRUCT_SIZE=16 EX_STRUCT_SIZE=12 BUG_STRUCT_SIZE=12 ALT_STRUCT_SIZE=13
 TEST_ENV = KPATCH_TEST_LIBRARY=$(TEST_LIBRARY)
 
 TARGETS      = $(patsubst %.$(EXT_ORIG),%.$(EXT_OUTPUT),$(wildcard *.$(EXT_ORIG)))
diff --git a/test/unit/objs b/test/unit/objs
index 5e9ba83..42f5a42 160000
--- a/test/unit/objs
+++ b/test/unit/objs
@@ -1 +1 @@
-Subproject commit 5e9ba838509a38817bf394fdbb43b4f1ce5a9229
+Subproject commit 42f5a428ad6897f15dd5070ade6d0fc74d24313e