diff --git a/emcc.py b/emcc.py
index fcaf2b91e3ad..40bda9e9c4ce 100644
--- a/emcc.py
+++ b/emcc.py
@@ -902,7 +902,6 @@ def phase_setup(options, state, newargs):
   if settings.MEMORY64:
     if options.target.startswith('wasm32'):
       exit_with_error('wasm32 target is not compatible with -sMEMORY64')
-    diagnostics.warning('experimental', '-sMEMORY64 is still experimental. Many features may not work.')
 
   # Wasm SjLj cannot be used with Emscripten EH
   if settings.SUPPORT_LONGJMP == 'wasm':
diff --git a/test/common.py b/test/common.py
index a8fc8c1def77..1d09d1c8155f 100644
--- a/test/common.py
+++ b/test/common.py
@@ -484,7 +484,6 @@ def metafunc(self, with_wasm64, *args, **kwargs):
     if with_wasm64:
       self.require_wasm64()
       self.set_setting('MEMORY64')
-      self.emcc_args.append('-Wno-experimental')
       f(self, *args, **kwargs)
     else:
       f(self, *args, **kwargs)
diff --git a/test/test_browser.py b/test/test_browser.py
index f1f2abf32fda..39bc19fd7b1f 100644
--- a/test/test_browser.py
+++ b/test/test_browser.py
@@ -5364,7 +5364,7 @@ def test_full_js_library_strict(self):
   # Tests the AudioWorklet demo
   @parameterized({
     '': ([],),
-    'memory64': (['-sMEMORY64', '-Wno-experimental'],),
+    'memory64': (['-sMEMORY64'],),
     'with_fs': (['--preload-file', test_file('hello_world.c') + '@/'],),
     'closure': (['--closure', '1', '-Oz'],),
     'asyncify': (['-sASYNCIFY'],),
@@ -5625,7 +5625,6 @@ class browser64(browser):
   def setUp(self):
     super().setUp()
     self.set_setting('MEMORY64')
-    self.emcc_args.append('-Wno-experimental')
     self.require_wasm64()
 
 
@@ -5635,7 +5634,6 @@ def setUp(self):
     self.set_setting('MEMORY64')
     self.set_setting('INITIAL_MEMORY', '4200mb')
     self.set_setting('GLOBAL_BASE', '4gb')
-    self.emcc_args.append('-Wno-experimental')
     # Without this we get a warning about GLOBAL_BASE being ignored when used with SIDE_MODULE
     self.emcc_args.append('-Wno-unused-command-line-argument')
     self.require_wasm64()
@@ -5647,7 +5645,6 @@ def setUp(self):
     self.set_setting('MEMORY64')
     self.set_setting('INITIAL_MEMORY', '2200mb')
     self.set_setting('GLOBAL_BASE', '2gb')
-    self.emcc_args.append('-Wno-experimental')
     self.require_wasm64()
 
 
diff --git a/test/test_other.py b/test/test_other.py
index a990ed455ca3..b02af95fe712 100644
--- a/test/test_other.py
+++ b/test/test_other.py
@@ -821,7 +821,7 @@ def test_print_resource_dir(self):
   @parameterized({
     '': [[]],
     'lto': [['-flto']],
-    'wasm64': [['-sMEMORY64', '-Wno-experimental']],
+    'wasm64': [['-sMEMORY64']],
   })
   def test_print_file_name(self, args):
     # make sure the corresponding version of libc exists in the cache
@@ -3223,7 +3223,7 @@ def test_embind_closure_no_dynamic_execution(self):
     'no_utf8': ['-sEMBIND_STD_STRING_IS_UTF8=0'],
     'no_dynamic': ['-sDYNAMIC_EXECUTION=0'],
     'aot_js': ['-sDYNAMIC_EXECUTION=0', '-sEMBIND_AOT', '-DSKIP_UNBOUND_TYPES'],
-    'wasm64': ['-sMEMORY64', '-Wno-experimental'],
+    'wasm64': ['-sMEMORY64'],
     '2gb': ['-sINITIAL_MEMORY=2200mb', '-sGLOBAL_BASE=2gb'],
   })
   @parameterized({
@@ -3439,7 +3439,7 @@ def test_embind_tsgen_bigint(self):
   def test_embind_tsgen_memory64(self):
     # Check that when memory64 is enabled longs & unsigned longs are mapped to bigint in the generated TS bindings
     self.run_process([EMXX, test_file('other/embind_tsgen_memory64.cpp'),
-                      '-lembind', '--emit-tsd', 'embind_tsgen_memory64.d.ts', '-sMEMORY64', '-Wno-experimental'] +
+                      '-lembind', '--emit-tsd', 'embind_tsgen_memory64.d.ts', '-sMEMORY64'] +
                      self.get_emcc_args())
     self.assertFileContents(test_file('other/embind_tsgen_memory64.d.ts'), read_file('embind_tsgen_memory64.d.ts'))
 
@@ -7052,7 +7052,7 @@ def test_failing_growth_wasm64(self):
   }
 }
 ''')
-    self.do_runf('test.c', 'done\n', emcc_args=['-sGLOBAL_BASE=2Gb', '-sTOTAL_MEMORY=4Gb', '-sMAXIMUM_MEMORY=5Gb', '-sALLOW_MEMORY_GROWTH', '-sMEMORY64', '-Wno-experimental'])
+    self.do_runf('test.c', 'done\n', emcc_args=['-sGLOBAL_BASE=2Gb', '-sTOTAL_MEMORY=4Gb', '-sMAXIMUM_MEMORY=5Gb', '-sALLOW_MEMORY_GROWTH', '-sMEMORY64'])
 
   def test_libcxx_minimal(self):
     create_file('vector.cpp', r'''
@@ -8745,7 +8745,7 @@ def strip_numeric_suffixes(funcname):
     'Os_mr': (['-Os', '-sMINIMAL_RUNTIME'], [], [], 74), # noqa
     # EVAL_CTORS also removes the __wasm_call_ctors function
     'Oz-ctors': (['-Oz', '-sEVAL_CTORS'], [], []), # noqa
-    '64': (['-Oz', '-sMEMORY64', '-Wno-experimental'], [], []), # noqa
+    '64': (['-Oz', '-sMEMORY64'], [], []), # noqa
     # WasmFS should not be fully linked into a minimal program.
     'wasmfs': (['-Oz', '-sWASMFS'], [], []), # noqa
   })
@@ -12838,7 +12838,7 @@ def test_this_in_dyncall(self, args):
 
   @requires_wasm64
   def test_this_in_dyncall_memory64(self):
-    self.do_run_in_out_file_test('no_this_in_dyncall.c', emcc_args=['--js-library', test_file('no_this_in_dyncall.js'), '-sMEMORY64', '-Wno-experimental'])
+    self.do_run_in_out_file_test('no_this_in_dyncall.c', emcc_args=['--js-library', test_file('no_this_in_dyncall.js'), '-sMEMORY64'])
 
   # Tests that dynCalls are produced in Closure-safe way in DYNCALLS mode when no actual dynCalls are used
   @parameterized({
@@ -14081,7 +14081,7 @@ def test_extended_const(self):
   })
   @requires_wasm64
   def test_memory64(self, args):
-    self.do_run_in_out_file_test('core/test_hello_argc.c', args=['hello', 'world'], emcc_args=['-sMEMORY64', '-Wno-experimental'] + args)
+    self.do_run_in_out_file_test('core/test_hello_argc.c', args=['hello', 'world'], emcc_args=['-sMEMORY64'] + args)
 
   # Verfy that MAIN_MODULE=1 (which includes all symbols from all libraries)
   # works with -sPROXY_POSIX_SOCKETS and -Oz, both of which affect linking of