diff --git a/CMake/Platforms/WindowsCache.cmake b/CMake/Platforms/WindowsCache.cmake
index d6dc5a0fa8..a9930f0b2a 100644
--- a/CMake/Platforms/WindowsCache.cmake
+++ b/CMake/Platforms/WindowsCache.cmake
@@ -71,8 +71,7 @@ if(NOT UNIX)
     set(HAVE_RAND_EGD 0)
     set(HAVE_GMTIME_R 0)
     set(HAVE_GETHOSTBYNAME_R 0)
-    set(HAVE_SIGNAL_FUNC 1)
-    set(HAVE_SIGNAL_MACRO 0)
+    set(HAVE_SIGNAL 1)
 
     set(HAVE_GETHOSTBYNAME_R_3 0)
     set(HAVE_GETHOSTBYNAME_R_3_REENTRANT 0)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 70ef457cf4..e1704e34ac 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1039,11 +1039,7 @@ check_symbol_exists(gmtime_r      "${CURL_INCLUDES}" HAVE_GMTIME_R)
 
 check_symbol_exists(gethostbyname_r "${CURL_INCLUDES}" HAVE_GETHOSTBYNAME_R)
 
-check_symbol_exists(signal        "${CURL_INCLUDES}" HAVE_SIGNAL_FUNC)
-check_symbol_exists(SIGALRM       "${CURL_INCLUDES}" HAVE_SIGNAL_MACRO)
-if(HAVE_SIGNAL_FUNC AND HAVE_SIGNAL_MACRO)
-  set(HAVE_SIGNAL 1)
-endif()
+check_symbol_exists(signal         "${CURL_INCLUDES}" HAVE_SIGNAL)
 check_symbol_exists(strtoll        "${CURL_INCLUDES}" HAVE_STRTOLL)
 check_symbol_exists(_strtoi64      "${CURL_INCLUDES}" HAVE__STRTOI64)
 check_symbol_exists(strerror_r     "${CURL_INCLUDES}" HAVE_STRERROR_R)