diff --git a/backend.native/konan.properties b/backend.native/konan.properties
index 3164afed5d4..70f8e17afdd 100644
--- a/backend.native/konan.properties
+++ b/backend.native/konan.properties
@@ -321,7 +321,7 @@ dependencies.mingw-wasm32 = \
 quadruple.wasm32 = wasm32
 llvmLtoFlags.wasm32 =
 targetSysRoot.wasm32 = target-sysroot-2-wasm
-optFlags.wasm32 = -internalize
+optFlags.wasm32 = -internalize -globaldce
 optNooptFlags.wasm32 = -O1
 optOptFlags.wasm32 = -O3
 optDebugFlags.wasm32 = -O0