diff --git a/.travis.yml b/.travis.yml
index 0190f36..aa9cc83 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ matrix:
           sources: 
             - llvm-toolchain-trusty-5.0
           packages:
+            - g++-8
             - clang-5.0
       env: COMPILER='clang++-5.0' CXXSTD='c++17'
 
@@ -17,4 +18,4 @@ dist: trusty
 sudo: false
 
 script: 
-  mkdir build && cd build && cmake -DPHMAP_BUILD_TESTS=ON -DCMAKE_CXX_COMPILER=${COMPILER} -DCXXFLAGS="-std=${CXXSTD}" .. && cmake --build . -- VERBOSE=1 && make test
+  mkdir build && cd build && cmake -DPHMAP_BUILD_TESTS=ON -DCMAKE_CXX_COMPILER=${COMPILER} -DCXXFLAGS="-std=${CXXSTD}" .. && cmake --build . && make test
diff --git a/parallel_hashmap/phmap_base.h b/parallel_hashmap/phmap_base.h
index 40e2285..9814642 100644
--- a/parallel_hashmap/phmap_base.h
+++ b/parallel_hashmap/phmap_base.h
@@ -1264,8 +1264,7 @@ struct MakeUniqueResult<T[N]> {
 }  // namespace memory_internal
 
 #if (__cplusplus > 201103L || defined(_MSC_VER)) && \
-    !(defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ == 8) && \
-    !(defined (__GLIBCXX__) && __GLIBCXX__ <= 20151030)
+    !(defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ == 8) 
     using std::make_unique;
 #else