diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1d5cb1f4e1..cb016f3aeb 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -130,7 +130,7 @@ add_definitions(-DAERON_VERSION_GITSHA="${AERON_VERSION_GITSHA}")
 
 # all UNIX-based platform compiler flags
 if (UNIX)
-    add_compile_options(-Wall -Wpedantic -Wextra -Wno-unused-parameter -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fstrict-flex-arrays=1)
+    add_compile_options(-Wall -Wpedantic -Wextra -Wno-unused-parameter -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer)
 
     if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "11.0")
         add_compile_options(-Wno-error=maybe-uninitialized)