diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1d67b34ddef..d1de68ac201 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -256,7 +256,6 @@ if(CMAKE_SYSTEM_NAME MATCHES "Emscripten")
 	target_link_options(warzone2100 PRIVATE "SHELL:-s ALLOW_MEMORY_GROWTH=1")
 	# NOTE: WZ's shell.html handles intelligently detecting and picking a maximum for the WebAssembly.Memory request
 
-	target_link_options(warzone2100 PRIVATE "SHELL:-s DEMANGLE_SUPPORT=1")
 #	target_link_options(warzone2100 PRIVATE "SHELL:-s GL_ASSERTIONS=1") # Useful for debugging, but impacts performance
 #	target_link_options(warzone2100 PRIVATE "SHELL:-s LZ4=1") # LZ4 can't be used while also supporting gettext translations (no support for mmap in LZ4 filesystem backend)
 	#target_link_options(warzone2100 PRIVATE "SHELL:-s FULL_ES3=1")