diff --git a/ShellB3/shallbethree.sh b/ShellB3/shallbethree.sh
index 7920b908cd7329a2135f084ceb04f18f6004d6e7..804325452f3c9e7d09277a29635e307608f06fab 100755
--- a/ShellB3/shallbethree.sh
+++ b/ShellB3/shallbethree.sh
@@ -1504,8 +1504,10 @@ elif isLinux ; then
       export USE_SYS_GCC=NO
       ;;
       6)
-      export USE_SYS_PNG=YES USE_SYS_FFI=YES USE_SYS_CURL=YES # USE_SYS_BOOST=YES
+      export USE_SYS_PNG=YES # USE_SYS_BOOST=YES
       export USE_SYS_GCC=NO
+      # USE_SYS_CURL=YES disabled to keep ssl out, just compile without ssl-devel installed
+      # USE_SYS_FFI=YES disabled because its too old
       ;;
       7|*)
       export USE_SYS_PNG=YES USE_SYS_FFI=YES USE_SYS_CURL=YES USE_SYS_ICU=YES # USE_SYS_BOOST=YES