--- a/c++/CMakeLists.txt
+++ b/c++/CMakeLists.txt
@@ -64,7 +64,7 @@
 endif()
 
 if (CMAKE_COMPILER_IS_GNUCXX)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -Werror")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic")
 if (AVRO_ADD_PROTECTOR_FLAGS)
     set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fstack-protector-all -D_GLIBCXX_DEBUG")
     # Unset _GLIBCXX_DEBUG for avrogencpp.cc because using Boost Program Options