diff --git a/discovery/sts-v1.json b/discovery/sts-v1.json
index 2c2fc0dd55..e3b3121663 100644
--- a/discovery/sts-v1.json
+++ b/discovery/sts-v1.json
@@ -116,7 +116,7 @@
       }
     }
   },
-  "revision": "20240417",
+  "revision": "20240425",
   "rootUrl": "https://sts.googleapis.com/",
   "schemas": {
     "GoogleIamV1Binding": {
@@ -244,13 +244,6 @@
           "$ref": "GoogleIdentityStsV1AccessBoundary",
           "description": "An access boundary that defines the upper bound of permissions the credential may have. The value should be a JSON object of AccessBoundary. The access boundary can include up to 10 rules. The size of the parameter value should not exceed 2048 characters."
         },
-        "audiences": {
-          "description": "The intended audience(s) of the credential. The audience value(s) should be the name(s) of services intended to receive the credential. Example: `[\"https://pubsub.googleapis.com/\", \"https://storage.googleapis.com/\"]`. A maximum of 5 audiences can be included. For each provided audience, the maximum length is 262 characters.",
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
         "userProject": {
           "description": "A Google project used for quota and billing purposes when the credential is used to access Google APIs. The provided project overrides the project bound to the credential. The value must be a project number or a project ID. Example: `my-sample-project-191923`. The maximum length is 32 characters.",
           "type": "string"
@@ -302,13 +295,6 @@
           "$ref": "GoogleIdentityStsV1betaAccessBoundary",
           "description": "An access boundary that defines the upper bound of permissions the credential may have. The value should be a JSON object of AccessBoundary. The access boundary can include up to 10 rules. The size of the parameter value should not exceed 2048 characters."
         },
-        "audiences": {
-          "description": "The intended audience(s) of the credential. The audience value(s) should be the name(s) of services intended to receive the credential. Example: `[\"https://pubsub.googleapis.com/\", \"https://storage.googleapis.com/\"]`. A maximum of 5 audiences can be included. For each provided audience, the maximum length is 262 characters.",
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
         "userProject": {
           "description": "A Google project used for quota and billing purposes when the credential is used to access Google APIs. The provided project overrides the project bound to the credential. The value must be a project number or a project ID. Example: `my-sample-project-191923`. The maximum length is 32 characters.",
           "type": "string"
diff --git a/discovery/sts-v1beta.json b/discovery/sts-v1beta.json
index 382688fda4..e8ece48c61 100644
--- a/discovery/sts-v1beta.json
+++ b/discovery/sts-v1beta.json
@@ -116,7 +116,7 @@
       }
     }
   },
-  "revision": "20240129",
+  "revision": "20240425",
   "rootUrl": "https://sts.googleapis.com/",
   "schemas": {
     "GoogleIamV1Binding": {
@@ -185,13 +185,6 @@
           "$ref": "GoogleIdentityStsV1AccessBoundary",
           "description": "An access boundary that defines the upper bound of permissions the credential may have. The value should be a JSON object of AccessBoundary. The access boundary can include up to 10 rules. The size of the parameter value should not exceed 2048 characters."
         },
-        "audiences": {
-          "description": "The intended audience(s) of the credential. The audience value(s) should be the name(s) of services intended to receive the credential. Example: `[\"https://pubsub.googleapis.com/\", \"https://storage.googleapis.com/\"]`. A maximum of 5 audiences can be included. For each provided audience, the maximum length is 262 characters.",
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
         "userProject": {
           "description": "A Google project used for quota and billing purposes when the credential is used to access Google APIs. The provided project overrides the project bound to the credential. The value must be a project number or a project ID. Example: `my-sample-project-191923`. The maximum length is 32 characters.",
           "type": "string"
@@ -302,13 +295,6 @@
           "$ref": "GoogleIdentityStsV1betaAccessBoundary",
           "description": "An access boundary that defines the upper bound of permissions the credential may have. The value should be a JSON object of AccessBoundary. The access boundary can include up to 10 rules. The size of the parameter value should not exceed 2048 characters."
         },
-        "audiences": {
-          "description": "The intended audience(s) of the credential. The audience value(s) should be the name(s) of services intended to receive the credential. Example: `[\"https://pubsub.googleapis.com/\", \"https://storage.googleapis.com/\"]`. A maximum of 5 audiences can be included. For each provided audience, the maximum length is 262 characters.",
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        },
         "userProject": {
           "description": "A Google project used for quota and billing purposes when the credential is used to access Google APIs. The provided project overrides the project bound to the credential. The value must be a project number or a project ID. Example: `my-sample-project-191923`. The maximum length is 32 characters.",
           "type": "string"
diff --git a/src/apis/sts/v1.ts b/src/apis/sts/v1.ts
index af0338d8f4..56dc069bfc 100644
--- a/src/apis/sts/v1.ts
+++ b/src/apis/sts/v1.ts
@@ -201,10 +201,6 @@ export namespace sts_v1 {
      * An access boundary that defines the upper bound of permissions the credential may have. The value should be a JSON object of AccessBoundary. The access boundary can include up to 10 rules. The size of the parameter value should not exceed 2048 characters.
      */
     accessBoundary?: Schema$GoogleIdentityStsV1betaAccessBoundary;
-    /**
-     * The intended audience(s) of the credential. The audience value(s) should be the name(s) of services intended to receive the credential. Example: `["https://pubsub.googleapis.com/", "https://storage.googleapis.com/"]`. A maximum of 5 audiences can be included. For each provided audience, the maximum length is 262 characters.
-     */
-    audiences?: string[] | null;
     /**
      * A Google project used for quota and billing purposes when the credential is used to access Google APIs. The provided project overrides the project bound to the credential. The value must be a project number or a project ID. Example: `my-sample-project-191923`. The maximum length is 32 characters.
      */
@@ -272,10 +268,6 @@ export namespace sts_v1 {
      * An access boundary that defines the upper bound of permissions the credential may have. The value should be a JSON object of AccessBoundary. The access boundary can include up to 10 rules. The size of the parameter value should not exceed 2048 characters.
      */
     accessBoundary?: Schema$GoogleIdentityStsV1AccessBoundary;
-    /**
-     * The intended audience(s) of the credential. The audience value(s) should be the name(s) of services intended to receive the credential. Example: `["https://pubsub.googleapis.com/", "https://storage.googleapis.com/"]`. A maximum of 5 audiences can be included. For each provided audience, the maximum length is 262 characters.
-     */
-    audiences?: string[] | null;
     /**
      * A Google project used for quota and billing purposes when the credential is used to access Google APIs. The provided project overrides the project bound to the credential. The value must be a project number or a project ID. Example: `my-sample-project-191923`. The maximum length is 32 characters.
      */
diff --git a/src/apis/sts/v1beta.ts b/src/apis/sts/v1beta.ts
index 960ffa6c85..a5872bfd96 100644
--- a/src/apis/sts/v1beta.ts
+++ b/src/apis/sts/v1beta.ts
@@ -255,10 +255,6 @@ export namespace sts_v1beta {
      * An access boundary that defines the upper bound of permissions the credential may have. The value should be a JSON object of AccessBoundary. The access boundary can include up to 10 rules. The size of the parameter value should not exceed 2048 characters.
      */
     accessBoundary?: Schema$GoogleIdentityStsV1betaAccessBoundary;
-    /**
-     * The intended audience(s) of the credential. The audience value(s) should be the name(s) of services intended to receive the credential. Example: `["https://pubsub.googleapis.com/", "https://storage.googleapis.com/"]`. A maximum of 5 audiences can be included. For each provided audience, the maximum length is 262 characters.
-     */
-    audiences?: string[] | null;
     /**
      * A Google project used for quota and billing purposes when the credential is used to access Google APIs. The provided project overrides the project bound to the credential. The value must be a project number or a project ID. Example: `my-sample-project-191923`. The maximum length is 32 characters.
      */
@@ -272,10 +268,6 @@ export namespace sts_v1beta {
      * An access boundary that defines the upper bound of permissions the credential may have. The value should be a JSON object of AccessBoundary. The access boundary can include up to 10 rules. The size of the parameter value should not exceed 2048 characters.
      */
     accessBoundary?: Schema$GoogleIdentityStsV1AccessBoundary;
-    /**
-     * The intended audience(s) of the credential. The audience value(s) should be the name(s) of services intended to receive the credential. Example: `["https://pubsub.googleapis.com/", "https://storage.googleapis.com/"]`. A maximum of 5 audiences can be included. For each provided audience, the maximum length is 262 characters.
-     */
-    audiences?: string[] | null;
     /**
      * A Google project used for quota and billing purposes when the credential is used to access Google APIs. The provided project overrides the project bound to the credential. The value must be a project number or a project ID. Example: `my-sample-project-191923`. The maximum length is 32 characters.
      */