diff --git a/expat/CMakeLists.txt b/expat/CMakeLists.txt
index f6f8c129..bdedfc17 100644
--- a/expat/CMakeLists.txt
+++ b/expat/CMakeLists.txt
@@ -50,8 +50,11 @@ option(EXPAT_BUILD_FUZZERS "build fuzzers for the expat library" OFF)
 option(EXPAT_WITH_LIBBSD "utilize libbsd (for arc4random_buf)" OFF)
 option(EXPAT_ENABLE_INSTALL "install expat files in cmake install target" ON)
 set(EXPAT_CONTEXT_BYTES 1024 CACHE STRING "Define to specify how much context to retain around the current parse point")
+mark_as_advanced(EXPAT_CONTEXT_BYTES)
 option(EXPAT_DTD "Define to make parameter entity parsing functionality available" ON)
+mark_as_advanced(EXPAT_DTD)
 option(EXPAT_NS "Define to make XML Namespaces functionality available" ON)
+mark_as_advanced(EXPAT_NS)
 option(EXPAT_WARNINGS_AS_ERRORS "Treat all compiler warnings as errors" OFF)
 if(NOT WIN32 OR _EXPAT_HELP)
     option(EXPAT_DEV_URANDOM "Define to include code reading entropy from `/dev/urandom'." ON)
@@ -59,12 +62,16 @@ if(NOT WIN32 OR _EXPAT_HELP)
             "Make use of getrandom function (ON|OFF|AUTO) [default=AUTO]")
     set(EXPAT_WITH_SYS_GETRANDOM "AUTO" CACHE STRING
             "Make use of syscall SYS_getrandom (ON|OFF|AUTO) [default=AUTO]")
+    mark_as_advanced(EXPAT_DEV_URANDOM)
 endif()
 option(EXPAT_UNICODE "Use UTF-16 encoded chars (two bytes) instead of UTF-8" OFF)
 option(EXPAT_UNICODE_WCHAR_T "Use wchar_t to represent UTF-16 instead of unsigned short" OFF)
 option(EXPAT_ATTR_INFO "Define to allow retrieving the byte offsets for attribute names and values" OFF)
+mark_as_advanced(EXPAT_ATTR_INFO)
 option(EXPAT_LARGE_SIZE "Make XML_GetCurrent* functions return <(unsigned) long long> rather than <(unsigned) long>" OFF)
+mark_as_advanced(EXPAT_LARGE_SIZE)
 option(EXPAT_MIN_SIZE "Get a smaller (but slower) parser (in particular avoid multiple copies of the tokenizer)" OFF)
+mark_as_advanced(EXPAT_MIN_SIZE)
 if(MSVC OR _EXPAT_HELP)
     set(EXPAT_MSVC_STATIC_CRT OFF CACHE BOOL "Use /MT flag (static CRT) when compiling in MSVC")
 endif()
@@ -451,6 +458,7 @@ message(STATUS "  Build tools (xmlwf) ........ ${EXPAT_BUILD_TOOLS}")
 message(STATUS "  Install files .............. ${EXPAT_ENABLE_INSTALL}")
 message(STATUS "")
 message(STATUS "  Features")
+message(STATUS "    // Advanced options, changes not advised")
 message(STATUS "    Attributes info .......... ${EXPAT_ATTR_INFO}")
 message(STATUS "    Context bytes ............ ${EXPAT_CONTEXT_BYTES}")
 message(STATUS "    DTD support .............. ${EXPAT_DTD}")