diff --git a/swift/swift_binary.bzl b/swift/swift_binary.bzl
index 0ab84e193..3ccecb436 100644
--- a/swift/swift_binary.bzl
+++ b/swift/swift_binary.bzl
@@ -14,7 +14,6 @@
 
 """Implementation of the `swift_binary` rule."""
 
-load("@bazel_skylib//lib:dicts.bzl", "dicts")
 load("@bazel_skylib//lib:paths.bzl", "paths")
 load("@rules_cc//cc/common:cc_common.bzl", "cc_common")
 load("@rules_cc//cc/common:cc_info.bzl", "CcInfo")
@@ -276,15 +275,9 @@ def _swift_binary_impl(ctx):
     return providers
 
 swift_binary = rule(
-    attrs = dicts.add(
-        binary_rule_attrs(
-            additional_deps_providers = [[SwiftCompilerPluginInfo]],
-            stamp_default = -1,
-        ),
-        {
-            # TODO(b/301253335): Enable AEGs and switch from `swift` exec_group to swift `toolchain` param.
-            "_use_auto_exec_groups": attr.bool(default = False),
-        },
+    attrs = binary_rule_attrs(
+        additional_deps_providers = [[SwiftCompilerPluginInfo]],
+        stamp_default = -1,
     ),
     doc = """\
 Compiles and links Swift code into an executable binary.
diff --git a/swift/swift_compiler_plugin.bzl b/swift/swift_compiler_plugin.bzl
index efabcb111..c5fc00403 100644
--- a/swift/swift_compiler_plugin.bzl
+++ b/swift/swift_compiler_plugin.bzl
@@ -371,8 +371,6 @@ universal_swift_compiler_plugin = rule(
                 mandatory = True,
                 providers = [[SwiftBinaryInfo, SwiftCompilerPluginInfo]],
             ),
-            # TODO(b/301253335): Enable AEGs and switch from `swift` exec_group to swift `toolchain` param.
-            "_use_auto_exec_groups": attr.bool(default = False),
         },
     ),
     doc = """\
diff --git a/swift/swift_library.bzl b/swift/swift_library.bzl
index f8870cf4c..0a1d7e18b 100644
--- a/swift/swift_library.bzl
+++ b/swift/swift_library.bzl
@@ -285,9 +285,6 @@ dependent for linking, but artifacts/flags required for compilation (such as
 .swiftmodule files, C headers, and search paths) will not be propagated.
 """,
             ),
-            # TODO(b/301253335): Once AEGs are enabled in Bazel, set the swift toolchain type in the
-            # exec configuration of `plugins` attribute and enable AEGs in swift_library.
-            "_use_auto_exec_groups": attr.bool(default = False),
         },
     ),
     doc = """\
diff --git a/swift/swift_test.bzl b/swift/swift_test.bzl
index 821005a38..50288adb5 100644
--- a/swift/swift_test.bzl
+++ b/swift/swift_test.bzl
@@ -604,8 +604,6 @@ environment when the test is executed by `bazel test`.
                     Label("//tools/test_observer"),
                 ],
             ),
-            # TODO(b/301253335): Enable AEGs and switch from `swift` exec_group to swift `toolchain` param.
-            "_use_auto_exec_groups": attr.bool(default = False),
         },
     ),
     doc = """\
diff --git a/swift/toolchains/xcode_swift_toolchain.bzl b/swift/toolchains/xcode_swift_toolchain.bzl
index b6b8a1ed6..9eab41ea5 100644
--- a/swift/toolchains/xcode_swift_toolchain.bzl
+++ b/swift/toolchains/xcode_swift_toolchain.bzl
@@ -993,8 +993,6 @@ for incremental compilation using a persistent mode.
                     fragment = "apple",
                 ),
             ),
-            # TODO(b/301253335): Enable AEGs later.
-            "_use_auto_exec_groups": attr.bool(default = False),
         },
     ),
     doc = "Represents a Swift compiler toolchain provided by Xcode.",