diff --git a/.travis.yml b/.travis.yml
index 89c7669dc7..30c84044ba 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,6 +21,7 @@ branches:
   - clean-macosx-x86-32
 addons:
   apt:
+    update: true
     packages:
       - links
       - libblas-dev
@@ -31,7 +32,6 @@ addons:
       - cmake
       - libaio-dev
       - libsnappy-dev
-      - libc++-dev
 before_install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then ./build.sh deps-macosx ; else ./build.sh deps-apt-get ; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew ls --versions snappy > /dev/null || brew install snappy; fi
diff --git a/vm/Config.unix b/vm/Config.unix
index a5a55bdc09..82d1073e80 100644
--- a/vm/Config.unix
+++ b/vm/Config.unix
@@ -12,7 +12,7 @@ PLAF_DLL_OBJS = vm/os-unix.o
 PLAF_EXE_OBJS += vm/main-unix.o
 PLAF_MASTER_HEADERS += vm/os-unix.hpp
 
-FFI_TEST_CFLAGS = -fPIC -stdlib=libc++
+FFI_TEST_CFLAGS = -fPIC
 
 # LINKER = gcc -shared -o
 # LINK_WITH_ENGINE = '-Wl,-rpath,$$ORIGIN' -lfactor