diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8eb97ce2..3c8e208e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,6 +46,7 @@ if(DEV_MODE)
                           -W4
                           -we4013 # undefined; assuming extern returning int
                           -we4005 # macro redefinition
+                          -wd4100 # unreferenced formal parameter
                           )
 endif()