diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0f5abcb..aeae310 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -184,7 +184,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${QUIC_OUTPUT_DIR})
 set(QUIC_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src/inc)
 
 if (WIN32)
-    set(QUIC_WARNING_FLAGS /WX /W4 /sdl CACHE INTERNAL "")
+    set(QUIC_WARNING_FLAGS /W4 /sdl CACHE INTERNAL "")
     set(QUIC_COMMON_FLAGS "")
     if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
         list(APPEND QUIC_COMMON_FLAGS /MP)
@@ -193,7 +193,7 @@ if (WIN32)
 else()
     set(QUIC_COMMON_FLAGS "")
     set(QUIC_COMMON_DEFINES _GNU_SOURCE)
-    set(QUIC_WARNING_FLAGS -Werror -Wall -Wextra -Wformat=2 -Wno-type-limits
+    set(QUIC_WARNING_FLAGS -Wall -Wextra -Wformat=2 -Wno-type-limits
         -Wno-unknown-pragmas -Wno-multichar -Wno-missing-field-initializers
         CACHE INTERNAL "")
     if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)