diff --git a/CMakeLists.txt b/CMakeLists.txt
index a3a61fba1..0bf33a035 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,6 @@ if (CMAKE_CXX_COMPILER_ID IN_LIST GNU_LIKE_FRONTENDS)
             -fno-trapping-math
             -fassociative-math
             -freciprocal-math
-            -fmerge-all-constants
             -ftree-vectorize
     )
     # if -fimplicit-constexpr is supported, add it to the list of flags