diff --git a/sdks/wasm/Makefile b/sdks/wasm/Makefile
index c52364d308c1..e213b2cbde36 100644
--- a/sdks/wasm/Makefile
+++ b/sdks/wasm/Makefile
@@ -375,7 +375,7 @@ build-debug-sample: debug_sample/dotnet.js
 TEST_ASSEMBLIES = $(WASM_BCL_DIR)/nunitlite.dll $(WASM_BCL_DIR)/tests/wasm_corlib_test.dll $(WASM_BCL_DIR)/tests/wasm_System_test.dll $(WASM_BCL_DIR)/tests/wasm_System.Core_test.dll
 
 build-test-suite: packager.exe $(WASM_FRAMEWORK)/.stamp-framework binding_tests.dll mini_tests.dll main.exe runtime-tests.js
-	$(PACKAGER) --emscripten-sdkdir=$(EMSCRIPTEN_SDK_DIR) --template=runtime-tests.js --appdir=bin/test-suite --builddir=obj/test-suite --asset=tests/runtime/index.html binding_tests.dll mini_tests.dll main.exe $(TEST_ASSEMBLIES) --linker
+	$(PACKAGER) --emscripten-sdkdir=$(EMSCRIPTEN_SDK_DIR) --template=runtime-tests.js --appdir=bin/test-suite --builddir=obj/test-suite --asset=tests/runtime/index.html binding_tests.dll mini_tests.dll main.exe $(TEST_ASSEMBLIES) --linker --no-linker-exclude-deserialization
 	ninja -v -C obj/test-suite
 
 XUNIT_DIR = $(TOP)/external/xunit-binaries
diff --git a/sdks/wasm/packager.cs b/sdks/wasm/packager.cs
index a2ce79d67b7b..a9f4ae17f751 100644
--- a/sdks/wasm/packager.cs
+++ b/sdks/wasm/packager.cs
@@ -370,6 +370,7 @@ class WasmOptions {
 		public bool NativeStrip;
 		public bool Simd;
 		public bool EnableDynamicRuntime;
+		public bool LinkerExcludeDeserialization;
 	}
 
 	int Run (string[] args) {
@@ -429,7 +430,8 @@ int Run (string[] args) {
 				EnableFS = false,
 				NativeStrip = true,
 				Simd = false,
-				EnableDynamicRuntime = false
+				EnableDynamicRuntime = false,
+				LinkerExcludeDeserialization = true
 			};
 
 		var p = new OptionSet () {
@@ -475,6 +477,7 @@ int Run (string[] args) {
 		AddFlag (p, new BoolFlag ("dynamic-runtime", "enable dynamic runtime (support for Emscripten's dlopen)", opts.EnableDynamicRuntime, b => opts.EnableDynamicRuntime = b));
 		AddFlag (p, new BoolFlag ("native-strip", "strip final executable", opts.NativeStrip, b => opts.NativeStrip = b));
 		AddFlag (p, new BoolFlag ("simd", "enable SIMD support", opts.Simd, b => opts.Simd = b));
+		AddFlag (p, new BoolFlag ("linker-exclude-deserialization", "Link out .NET deserialization support", opts.LinkerExcludeDeserialization, b => opts.LinkerExcludeDeserialization = b));
 
 		var new_args = p.Parse (args).ToArray ();
 		foreach (var a in new_args) {
@@ -1109,6 +1112,8 @@ int Run (string[] args) {
 			linker_args += "--used-attrs-only true ";
 			linker_args += "--substitutions linker-subs.xml ";
 			linker_infiles += "| linker-subs.xml";
+			if (opts.LinkerExcludeDeserialization)
+				linker_args += "--exclude-feature deserialization ";
 			if (!string.IsNullOrEmpty (linkDescriptor)) {
 				linker_args += $"-x {linkDescriptor} ";
 				foreach (var assembly in root_assemblies) {