diff --git a/3rdparty/lapack/CMakeLists.txt b/3rdparty/lapack/CMakeLists.txt
index 8e89d69a7e..933e7cab46 100644
--- a/3rdparty/lapack/CMakeLists.txt
+++ b/3rdparty/lapack/CMakeLists.txt
@@ -49,7 +49,6 @@ endif()
 
 if(CMAKE_COMPILER_IS_GNUCXX)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-parentheses -Wno-uninitialized -Wno-implicit-function-declaration -Wno-unused")
-    set_source_files_properties(dlamch.c slamch.c PROPERTIES COMPILE_FLAGS "-ffloat-store -O0")
 endif()
 
 set_target_properties(${the_target}