diff --git a/src/main/java/com/google/devtools/build/lib/bazel/bzlmod/ModuleFileGlobals.java b/src/main/java/com/google/devtools/build/lib/bazel/bzlmod/ModuleFileGlobals.java
index 046a8edaa0759d..5ec7a3231bc3c7 100644
--- a/src/main/java/com/google/devtools/build/lib/bazel/bzlmod/ModuleFileGlobals.java
+++ b/src/main/java/com/google/devtools/build/lib/bazel/bzlmod/ModuleFileGlobals.java
@@ -167,30 +167,6 @@ static void validateModuleName(String moduleName) throws EvalException {
             named = true,
             positional = false,
             defaultValue = "''"),
-        @Param(
-            name = "execution_platforms_to_register",
-            doc =
-                "A list of already-defined execution platforms to be registered when this module is"
-                    + " selected. Should be a list of absolute target patterns (ie. beginning with"
-                    + " either <code>@</code> or <code>//</code>). See <a"
-                    + " href=\"${link toolchains}\">toolchain resolution</a> for more"
-                    + " information.",
-            named = true,
-            positional = false,
-            allowedTypes = {@ParamType(type = Iterable.class, generic1 = String.class)},
-            defaultValue = "[]"),
-        @Param(
-            name = "toolchains_to_register",
-            doc =
-                "A list of already-defined toolchains to be registered when this module is"
-                    + " selected. Should be a list of absolute target patterns (ie. beginning with"
-                    + " either <code>@</code> or <code>//</code>). See <a"
-                    + " href=\"${link toolchains}\">toolchain resolution</a> for more"
-                    + " information.",
-            named = true,
-            positional = false,
-            allowedTypes = {@ParamType(type = Iterable.class, generic1 = String.class)},
-            defaultValue = "[]"),
       },
       useStarlarkThread = true)
   public void module(
@@ -198,8 +174,6 @@ public void module(
       String version,
       StarlarkInt compatibilityLevel,
       String repoName,
-      Iterable<?> executionPlatformsToRegister,
-      Iterable<?> toolchainsToRegister,
       StarlarkThread thread)
       throws EvalException {
     if (moduleCalled) {
@@ -222,18 +196,11 @@ public void module(
     } catch (ParseException e) {
       throw new EvalException("Invalid version in module()", e);
     }
-    // TODO(wyv): migrate users of execution_platforms_to_register and toolchains_to_register to
-    // register_execution_platforms and register_toolchains, and remove the former two attributes.
     module
         .setName(name)
         .setVersion(parsedVersion)
         .setCompatibilityLevel(compatibilityLevel.toInt("compatibility_level"))
-        .setRepoName(repoName)
-        .addExecutionPlatformsToRegister(
-            checkAllAbsolutePatterns(
-                executionPlatformsToRegister, "execution_platforms_to_register"))
-        .addToolchainsToRegister(
-            checkAllAbsolutePatterns(toolchainsToRegister, "toolchains_to_register"));
+        .setRepoName(repoName);
   }
 
   private static ImmutableList<String> checkAllAbsolutePatterns(Iterable<?> iterable, String where)
diff --git a/src/test/java/com/google/devtools/build/lib/bazel/bzlmod/ModuleFileFunctionTest.java b/src/test/java/com/google/devtools/build/lib/bazel/bzlmod/ModuleFileFunctionTest.java
index 148a59784f7d76..d08a933adfe919 100644
--- a/src/test/java/com/google/devtools/build/lib/bazel/bzlmod/ModuleFileFunctionTest.java
+++ b/src/test/java/com/google/devtools/build/lib/bazel/bzlmod/ModuleFileFunctionTest.java
@@ -183,13 +183,11 @@ public void testRootModule() throws Exception {
         "    name='aaa',",
         "    version='0.1',",
         "    compatibility_level=4,",
-        "    toolchains_to_register=['//my:toolchain', '//my:toolchain2'],",
-        "    execution_platforms_to_register=['//my:platform', '//my:platform2'],",
         ")",
         "bazel_dep(name='bbb',version='1.0')",
         "bazel_dep(name='ccc',version='2.0',repo_name='see')",
-        "register_toolchains('//my:toolchain3', '//my:toolchain4')",
-        "register_execution_platforms('//my:platform3', '//my:platform4')",
+        "register_toolchains('//my:toolchain', '//my:toolchain2')",
+        "register_execution_platforms('//my:platform', '//my:platform2')",
         "single_version_override(module_name='ddd',version='18')",
         "local_path_override(module_name='eee',path='somewhere/else')",
         "multiple_version_override(module_name='fff',versions=['1.0','2.0'])",
@@ -209,11 +207,8 @@ public void testRootModule() throws Exception {
             ModuleBuilder.create("aaa", "0.1", 4)
                 .setKey(ModuleKey.ROOT)
                 .addExecutionPlatformsToRegister(
-                    ImmutableList.of(
-                        "//my:platform", "//my:platform2", "//my:platform3", "//my:platform4"))
-                .addToolchainsToRegister(
-                    ImmutableList.of(
-                        "//my:toolchain", "//my:toolchain2", "//my:toolchain3", "//my:toolchain4"))
+                    ImmutableList.of("//my:platform", "//my:platform2"))
+                .addToolchainsToRegister(ImmutableList.of("//my:toolchain", "//my:toolchain2"))
                 .addDep("bbb", createModuleKey("bbb", "1.0"))
                 .addDep("see", createModuleKey("ccc", "2.0"))
                 .build());
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/RegisteredExecutionPlatformsFunctionTest.java b/src/test/java/com/google/devtools/build/lib/skyframe/RegisteredExecutionPlatformsFunctionTest.java
index f6e91e015f8887..19e92ec85cf2bf 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/RegisteredExecutionPlatformsFunctionTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/RegisteredExecutionPlatformsFunctionTest.java
@@ -333,7 +333,7 @@ public void testRegisteredExecutionPlatforms_bzlmod() throws Exception {
     setBuildLanguageOptions("--enable_bzlmod");
     scratch.overwriteFile(
         "MODULE.bazel",
-        "module(execution_platforms_to_register=['//:plat'])",
+        "register_execution_platforms('//:plat')",
         "bazel_dep(name='bbb',version='1.0')",
         "bazel_dep(name='ccc',version='1.1')");
     registry
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/RegisteredToolchainsFunctionTest.java b/src/test/java/com/google/devtools/build/lib/skyframe/RegisteredToolchainsFunctionTest.java
index 2b72e4ebf0ab5f..4f6a11ea85d7d5 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/RegisteredToolchainsFunctionTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/RegisteredToolchainsFunctionTest.java
@@ -298,7 +298,7 @@ public void testRegisteredToolchains_bzlmod() throws Exception {
     setBuildLanguageOptions("--enable_bzlmod");
     scratch.overwriteFile(
         "MODULE.bazel",
-        "module(toolchains_to_register=['//:tool'])",
+        "register_toolchains('//:tool')",
         "bazel_dep(name='bbb',version='1.0')",
         "bazel_dep(name='ccc',version='1.1')",
         "bazel_dep(name='toolchain_def',version='1.0')");