diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6396934c..2e0fcac0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -537,10 +537,6 @@ else()
   add_library(mdbx-static STATIC EXCLUDE_FROM_ALL ${LIBMDBX_SOURCES})
 endif()
 set_target_properties(mdbx-static PROPERTIES PUBLIC_HEADER mdbx.h)
-if(MDBX_C_STANDARD)
-  set_target_properties(mdbx-static PROPERTIES
-    C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON)
-endif()
 target_compile_definitions(mdbx-static PRIVATE MDBX_BUILD_SHARED_LIBRARY=0)
 target_setup_options(mdbx-static)
 libmdbx_setup_libs(mdbx-static INTERFACE)
@@ -556,10 +552,6 @@ endif()
 if(MDBX_BUILD_SHARED_LIBRARY)
   add_library(mdbx SHARED ${LIBMDBX_SOURCES})
   set_target_properties(mdbx PROPERTIES PUBLIC_HEADER mdbx.h)
-  if(MDBX_C_STANDARD)
-    set_target_properties(mdbx PROPERTIES
-      C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON)
-  endif()
   target_compile_definitions(mdbx PRIVATE LIBMDBX_EXPORTS MDBX_BUILD_SHARED_LIBRARY=1 INTERFACE LIBMDBX_IMPORTS)
   target_setup_options(mdbx)
   libmdbx_setup_libs(mdbx PRIVATE)