diff --git a/build-script.py b/build-script.py
index 5247485ab31..78a62045d20 100755
--- a/build-script.py
+++ b/build-script.py
@@ -369,7 +369,7 @@ def __init__(
             self.swiftpm_call.extend(["--verbose"])
         self.verbose = verbose
 
-    def build(self, product_name, module_group_path=""):
+    def build(self, product_name):
         print("** Building " + product_name + " **")
         command = list(self.swiftpm_call)
         command.extend(["--product", product_name])
@@ -607,7 +607,7 @@ def check_and_sync(file_path, install_path):
         fatal_error("install failed with exit status %d" % (result,))
 
 
-def install(build_dir, dylib_dir, swiftmodule_base_name, stdlib_rpath):
+def install(build_dir, dylib_dir, stdlib_rpath):
     for dylib_name in get_installed_dylib_names():
 
         dylib_path = os.path.join(build_dir, dylib_name)
@@ -621,15 +621,6 @@ def install(build_dir, dylib_dir, swiftmodule_base_name, stdlib_rpath):
             file_path=dylib_path, install_path=os.path.join(dylib_dir, dylib_name)
         )
 
-    # Optionally install .swiftmodule
-    if swiftmodule_base_name:
-        module_path = os.path.join(build_dir, "SwiftSyntax.swiftmodule")
-        doc_path = os.path.join(build_dir, "SwiftSyntax.swiftdoc")
-        module_dest = swiftmodule_base_name + ".swiftmodule"
-        doc_dest = swiftmodule_base_name + ".swiftdoc"
-        check_and_sync(file_path=module_path, install_path=module_dest)
-        check_and_sync(file_path=doc_path, install_path=doc_dest)
-
 
 # -----------------------------------------------------------------------------
 # Arugment Parsing
@@ -654,17 +645,6 @@ def install(build_dir, dylib_dir, swiftmodule_base_name, stdlib_rpath):
 """
 
 
-_SWIFTMODULE_BASE_NAME_HELP = """
-The name under which the Swift module should be installed. A .swiftdoc and
-.swiftmodule file extension will be added to this path and the corresponding
-files will be copied there.
-
-Example /path/to/SwiftSyntax.swiftmodule/x86_64 copies files to
-/path/to/SwiftSyntax.swiftmodule/x86_64.swiftmodule and
-/path/to/SwiftSyntax.swiftmodule/x86_64.swiftdoc
-"""
-
-
 def parse_args():
     parser = argparse.ArgumentParser(
         formatter_class=argparse.RawDescriptionHelpFormatter, description=_DESCRIPTION
@@ -751,10 +731,6 @@ def parse_args():
         "--dylib-dir", help="The directory to where the .dylib should be installed."
     )
 
-    install_group.add_argument(
-        "--swiftmodule-base-name", help=_SWIFTMODULE_BASE_NAME_HELP
-    )
-
     # -------------------------------------------------------------------------
     test_group = parser.add_argument_group("Test")
 
@@ -809,7 +785,6 @@ def main():
         install(
             build_dir=build_dir,
             dylib_dir=args.dylib_dir,
-            swiftmodule_base_name=args.swiftmodule_base_name,
             stdlib_rpath=stdlib_rpath,
         )
         sys.exit(0)
@@ -859,8 +834,8 @@ def main():
         )
         # Until rdar://53881101 is implemented, we cannot request a build of multiple
         # targets simultaneously. For now, just build one product after the other.
-        builder.build("SwiftSyntax", module_group_path=GROUP_INFO_PATH)
-        builder.build("SwiftSyntaxParser", module_group_path=GROUP_INFO_PATH)
+        builder.build("SwiftSyntax")
+        builder.build("SwiftSyntaxParser")
 
         # Only build lit-test-helper if we are planning to run tests
         if args.test: