diff --git a/projectfiles/CodeBlocks/wesnoth.cbp b/projectfiles/CodeBlocks/wesnoth.cbp
index 611c99e74470..c2b01ac6a599 100644
--- a/projectfiles/CodeBlocks/wesnoth.cbp
+++ b/projectfiles/CodeBlocks/wesnoth.cbp
@@ -36,6 +36,7 @@
 			<Add option="-fopenmp" />
 			<Add option="-Wno-strict-aliasing" />
 			<Add option="-Wno-missing-braces" />
+			<Add option="-Wunused" />
 			<Add option="-DHAVE_LIBPNG" />
 			<Add option="-D_WIN32_WINDOWS" />
 			<Add option="-D_WIN32_WINNT=0x0501" />