--- a/Makefile
+++ b/Makefile
@@ -78,8 +78,8 @@
 TESTSRCDIR = test/src
 TESTBINDIR = test/bin
 
-USE_CJSON_SO ?= $(shell /sbin/ldconfig -N -v $(sed 's/:/ /g' <<< $LD_LIBRARY_PATH) 2>/dev/null | grep -i libcjson >/dev/null && echo 1 || echo 0)
-USE_LIST_SO ?= $(shell /sbin/ldconfig -N -v $(sed 's/:/ /g' <<< $LD_LIBRARY_PATH) 2>/dev/null | grep -i liblist >/dev/null && echo 1 || echo 0)
+USE_CJSON_SO ?= 0
+USE_LIST_SO ?= 0
 USE_ARGP_SO ?= 0
 
 ifeq ($(USE_CJSON_SO),1)