diff --git a/.changeset/long-experts-confess.md b/.changeset/long-experts-confess.md
new file mode 100644
index 00000000000..a845151cc84
--- /dev/null
+++ b/.changeset/long-experts-confess.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/packages/config-resolver/src/endpointsConfig/resolveCustomEndpointsConfig.ts b/packages/config-resolver/src/endpointsConfig/resolveCustomEndpointsConfig.ts
index a0c639eb6bb..a088f64f0c9 100644
--- a/packages/config-resolver/src/endpointsConfig/resolveCustomEndpointsConfig.ts
+++ b/packages/config-resolver/src/endpointsConfig/resolveCustomEndpointsConfig.ts
@@ -5,6 +5,7 @@ import { EndpointsInputConfig, EndpointsResolvedConfig } from "./resolveEndpoint
 
 /**
  * @public
+ * @deprecated superseded by default endpointRuleSet generation.
  */
 export interface CustomEndpointsInputConfig extends EndpointsInputConfig {
   /**
@@ -15,6 +16,7 @@ export interface CustomEndpointsInputConfig extends EndpointsInputConfig {
 
 /**
  * @internal
+ * @deprecated superseded by default endpointRuleSet generation.
  */
 interface PreviouslyResolved {
   urlParser: UrlParser;
@@ -22,6 +24,7 @@ interface PreviouslyResolved {
 
 /**
  * @internal
+ * @deprecated superseded by default endpointRuleSet generation.
  */
 export interface CustomEndpointsResolvedConfig extends EndpointsResolvedConfig {
   /**
@@ -33,6 +36,8 @@ export interface CustomEndpointsResolvedConfig extends EndpointsResolvedConfig {
 
 /**
  * @internal
+ *
+ * @deprecated superseded by default endpointRuleSet generation.
  */
 export const resolveCustomEndpointsConfig = <T>(
   input: T & CustomEndpointsInputConfig & PreviouslyResolved
diff --git a/packages/config-resolver/src/endpointsConfig/resolveEndpointsConfig.ts b/packages/config-resolver/src/endpointsConfig/resolveEndpointsConfig.ts
index f08ebefca8d..27a37ac4548 100644
--- a/packages/config-resolver/src/endpointsConfig/resolveEndpointsConfig.ts
+++ b/packages/config-resolver/src/endpointsConfig/resolveEndpointsConfig.ts
@@ -5,6 +5,7 @@ import { getEndpointFromRegion } from "./utils/getEndpointFromRegion";
 
 /**
  * @public
+ * @deprecated see \@smithy/middleware-endpoint resolveEndpointConfig.
  */
 export interface EndpointsInputConfig {
   /**
@@ -26,6 +27,7 @@ export interface EndpointsInputConfig {
 
 /**
  * @internal
+ * @deprecated see \@smithy/middleware-endpoint resolveEndpointConfig.
  */
 interface PreviouslyResolved {
   regionInfoProvider: RegionInfoProvider;
@@ -36,6 +38,7 @@ interface PreviouslyResolved {
 
 /**
  * @internal
+ * @deprecated see \@smithy/middleware-endpoint resolveEndpointConfig.
  */
 export interface EndpointsResolvedConfig extends Required<EndpointsInputConfig> {
   /**
diff --git a/packages/config-resolver/src/regionInfo/EndpointVariant.ts b/packages/config-resolver/src/regionInfo/EndpointVariant.ts
index 8a375262c47..dc741ac774f 100644
--- a/packages/config-resolver/src/regionInfo/EndpointVariant.ts
+++ b/packages/config-resolver/src/regionInfo/EndpointVariant.ts
@@ -1,9 +1,10 @@
 import { EndpointVariantTag } from "./EndpointVariantTag";
 
 /**
- * @internal
- *
  * Provides hostname information for specific host label.
+ *
+ * @internal
+ * @deprecated unused as of endpointsRuleSets.
  */
 export type EndpointVariant = {
   hostname: string;
diff --git a/packages/config-resolver/src/regionInfo/EndpointVariantTag.ts b/packages/config-resolver/src/regionInfo/EndpointVariantTag.ts
index ca50e1f83c9..0c87d4d304b 100644
--- a/packages/config-resolver/src/regionInfo/EndpointVariantTag.ts
+++ b/packages/config-resolver/src/regionInfo/EndpointVariantTag.ts
@@ -1,7 +1,10 @@
 /**
- * @internal
+ *
  *
  * The tag which mentions which area variant is providing information for.
  * Can be either "fips" or "dualstack".
+ *
+ * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export type EndpointVariantTag = "fips" | "dualstack";
diff --git a/packages/config-resolver/src/regionInfo/PartitionHash.ts b/packages/config-resolver/src/regionInfo/PartitionHash.ts
index e5b020aca87..6fe01e5d0c6 100644
--- a/packages/config-resolver/src/regionInfo/PartitionHash.ts
+++ b/packages/config-resolver/src/regionInfo/PartitionHash.ts
@@ -1,11 +1,12 @@
 import { EndpointVariant } from "./EndpointVariant";
 
 /**
- * @internal
- *
  * The hash of partition with the information specific to that partition.
  * The information includes the list of regions belonging to that partition,
  * and the hostname to be used for the partition.
+ *
+ * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export type PartitionHash = Record<
   string,
diff --git a/packages/config-resolver/src/regionInfo/RegionHash.ts b/packages/config-resolver/src/regionInfo/RegionHash.ts
index 417db065f2e..39421a8f45a 100644
--- a/packages/config-resolver/src/regionInfo/RegionHash.ts
+++ b/packages/config-resolver/src/regionInfo/RegionHash.ts
@@ -1,10 +1,11 @@
 import { EndpointVariant } from "./EndpointVariant";
 
 /**
- * @internal
- *
  * The hash of region with the information specific to that region.
  * The information can include hostname, signingService and signingRegion.
+ *
+ * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export type RegionHash = Record<
   string,
diff --git a/packages/config-resolver/src/regionInfo/getHostnameFromVariants.ts b/packages/config-resolver/src/regionInfo/getHostnameFromVariants.ts
index 1200de5489a..0952f4307e7 100644
--- a/packages/config-resolver/src/regionInfo/getHostnameFromVariants.ts
+++ b/packages/config-resolver/src/regionInfo/getHostnameFromVariants.ts
@@ -2,6 +2,7 @@ import { EndpointVariant } from "./EndpointVariant";
 
 /**
  * @internal
+ * @deprecated unused as of endpointsRuleSets.
  */
 export interface GetHostnameFromVariantsOptions {
   useFipsEndpoint: boolean;
@@ -10,6 +11,7 @@ export interface GetHostnameFromVariantsOptions {
 
 /**
  * @internal
+ * @deprecated unused as of endpointsRuleSets.
  */
 export const getHostnameFromVariants = (
   variants: EndpointVariant[] = [],
diff --git a/packages/config-resolver/src/regionInfo/getRegionInfo.ts b/packages/config-resolver/src/regionInfo/getRegionInfo.ts
index e5143b0d585..63f2b4071a6 100644
--- a/packages/config-resolver/src/regionInfo/getRegionInfo.ts
+++ b/packages/config-resolver/src/regionInfo/getRegionInfo.ts
@@ -9,6 +9,7 @@ import { RegionHash } from "./RegionHash";
 
 /**
  * @internal
+ * @deprecated unused as of endpointsRuleSets.
  */
 export interface GetRegionInfoOptions {
   useFipsEndpoint?: boolean;
@@ -20,6 +21,7 @@ export interface GetRegionInfoOptions {
 
 /**
  * @internal
+ * @deprecated unused as of endpointsRuleSets.
  */
 export const getRegionInfo = (
   region: string,
diff --git a/packages/config-resolver/src/regionInfo/getResolvedHostname.ts b/packages/config-resolver/src/regionInfo/getResolvedHostname.ts
index b22b2b78792..76712a89549 100644
--- a/packages/config-resolver/src/regionInfo/getResolvedHostname.ts
+++ b/packages/config-resolver/src/regionInfo/getResolvedHostname.ts
@@ -1,5 +1,6 @@
 /**
  * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export interface GetResolvedHostnameOptions {
   regionHostname?: string;
@@ -8,6 +9,7 @@ export interface GetResolvedHostnameOptions {
 
 /**
  * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export const getResolvedHostname = (
   resolvedRegion: string,
diff --git a/packages/config-resolver/src/regionInfo/getResolvedPartition.ts b/packages/config-resolver/src/regionInfo/getResolvedPartition.ts
index d0f6e296fdb..516d16bed12 100644
--- a/packages/config-resolver/src/regionInfo/getResolvedPartition.ts
+++ b/packages/config-resolver/src/regionInfo/getResolvedPartition.ts
@@ -2,6 +2,7 @@ import { PartitionHash } from "./PartitionHash";
 
 /**
  * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export interface GetResolvedPartitionOptions {
   partitionHash: PartitionHash;
@@ -9,6 +10,7 @@ export interface GetResolvedPartitionOptions {
 
 /**
  * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export const getResolvedPartition = (region: string, { partitionHash }: GetResolvedPartitionOptions) =>
   Object.keys(partitionHash || {}).find((key) => partitionHash[key].regions.includes(region)) ?? "aws";
diff --git a/packages/config-resolver/src/regionInfo/getResolvedSigningRegion.ts b/packages/config-resolver/src/regionInfo/getResolvedSigningRegion.ts
index c518c903dc1..d5a8998b54d 100644
--- a/packages/config-resolver/src/regionInfo/getResolvedSigningRegion.ts
+++ b/packages/config-resolver/src/regionInfo/getResolvedSigningRegion.ts
@@ -1,5 +1,6 @@
 /**
  * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export interface GetResolvedSigningRegionOptions {
   regionRegex: string;
@@ -9,6 +10,7 @@ export interface GetResolvedSigningRegionOptions {
 
 /**
  * @internal
+ * @deprecated unused for endpointRuleSets.
  */
 export const getResolvedSigningRegion = (
   hostname: string,