diff --git a/docs/development/core/server/kibana-plugin-core-server.cspconfig.md b/docs/development/core/server/kibana-plugin-core-server.cspconfig.md
index 0337a1f4d33014..46f24dfda67391 100644
--- a/docs/development/core/server/kibana-plugin-core-server.cspconfig.md
+++ b/docs/development/core/server/kibana-plugin-core-server.cspconfig.md
@@ -24,7 +24,6 @@ The constructor for this class is marked as internal. Third-party code should no
 |  [DEFAULT](./kibana-plugin-core-server.cspconfig.default.md) | <code>static</code> | <code>CspConfig</code> |  |
 |  [disableEmbedding](./kibana-plugin-core-server.cspconfig.disableembedding.md) |  | <code>boolean</code> |  |
 |  [header](./kibana-plugin-core-server.cspconfig.header.md) |  | <code>string</code> |  |
-|  [rules](./kibana-plugin-core-server.cspconfig.rules.md) |  | <code>string[]</code> |  |
 |  [strict](./kibana-plugin-core-server.cspconfig.strict.md) |  | <code>boolean</code> |  |
 |  [warnLegacyBrowsers](./kibana-plugin-core-server.cspconfig.warnlegacybrowsers.md) |  | <code>boolean</code> |  |
 
diff --git a/docs/development/core/server/kibana-plugin-core-server.cspconfig.rules.md b/docs/development/core/server/kibana-plugin-core-server.cspconfig.rules.md
deleted file mode 100644
index 2bc73345fe0d0b..00000000000000
--- a/docs/development/core/server/kibana-plugin-core-server.cspconfig.rules.md
+++ /dev/null
@@ -1,11 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [kibana-plugin-core-server](./kibana-plugin-core-server.md) &gt; [CspConfig](./kibana-plugin-core-server.cspconfig.md) &gt; [rules](./kibana-plugin-core-server.cspconfig.rules.md)
-
-## CspConfig.rules property
-
-<b>Signature:</b>
-
-```typescript
-readonly rules: string[];
-```
diff --git a/docs/development/core/server/kibana-plugin-core-server.icspconfig.disableembedding.md b/docs/development/core/server/kibana-plugin-core-server.icspconfig.disableembedding.md
index 2cfd680459fbc9..42b177c348afe2 100644
--- a/docs/development/core/server/kibana-plugin-core-server.icspconfig.disableembedding.md
+++ b/docs/development/core/server/kibana-plugin-core-server.icspconfig.disableembedding.md
@@ -4,7 +4,7 @@
 
 ## ICspConfig.disableEmbedding property
 
-Whether or not embedding (using iframes) should be allowed by the CSP. If embedding is disabled \*and\* no custom rules have been defined, a restrictive 'frame-ancestors' rule will be added to the default CSP rules.
+Whether or not embedding (using iframes) should be allowed by the CSP. If embedding is disabled, a restrictive 'frame-ancestors' rule will be added to the default CSP rules.
 
 <b>Signature:</b>
 
diff --git a/docs/development/core/server/kibana-plugin-core-server.icspconfig.md b/docs/development/core/server/kibana-plugin-core-server.icspconfig.md
index ee49950df076cc..9da31cdc11e364 100644
--- a/docs/development/core/server/kibana-plugin-core-server.icspconfig.md
+++ b/docs/development/core/server/kibana-plugin-core-server.icspconfig.md
@@ -16,9 +16,8 @@ export interface ICspConfig
 
 |  Property | Type | Description |
 |  --- | --- | --- |
-|  [disableEmbedding](./kibana-plugin-core-server.icspconfig.disableembedding.md) | <code>boolean</code> | Whether or not embedding (using iframes) should be allowed by the CSP. If embedding is disabled \*and\* no custom rules have been defined, a restrictive 'frame-ancestors' rule will be added to the default CSP rules. |
+|  [disableEmbedding](./kibana-plugin-core-server.icspconfig.disableembedding.md) | <code>boolean</code> | Whether or not embedding (using iframes) should be allowed by the CSP. If embedding is disabled, a restrictive 'frame-ancestors' rule will be added to the default CSP rules. |
 |  [header](./kibana-plugin-core-server.icspconfig.header.md) | <code>string</code> | The CSP rules in a formatted directives string for use in a <code>Content-Security-Policy</code> header. |
-|  [rules](./kibana-plugin-core-server.icspconfig.rules.md) | <code>string[]</code> | The CSP rules used for Kibana. |
 |  [strict](./kibana-plugin-core-server.icspconfig.strict.md) | <code>boolean</code> | Specify whether browsers that do not support CSP should be able to use Kibana. Use <code>true</code> to block and <code>false</code> to allow. |
 |  [warnLegacyBrowsers](./kibana-plugin-core-server.icspconfig.warnlegacybrowsers.md) | <code>boolean</code> | Specify whether users with legacy browsers should be warned about their lack of Kibana security compliance. |
 
diff --git a/docs/development/core/server/kibana-plugin-core-server.icspconfig.rules.md b/docs/development/core/server/kibana-plugin-core-server.icspconfig.rules.md
deleted file mode 100644
index 808eefc30b64ce..00000000000000
--- a/docs/development/core/server/kibana-plugin-core-server.icspconfig.rules.md
+++ /dev/null
@@ -1,13 +0,0 @@
-<!-- Do not edit this file. It is automatically generated by API Documenter. -->
-
-[Home](./index.md) &gt; [kibana-plugin-core-server](./kibana-plugin-core-server.md) &gt; [ICspConfig](./kibana-plugin-core-server.icspconfig.md) &gt; [rules](./kibana-plugin-core-server.icspconfig.rules.md)
-
-## ICspConfig.rules property
-
-The CSP rules used for Kibana.
-
-<b>Signature:</b>
-
-```typescript
-readonly rules: string[];
-```
diff --git a/src/core/server/server.api.md b/src/core/server/server.api.md
index c92f767ce891d9..21a4c9107d7d1a 100644
--- a/src/core/server/server.api.md
+++ b/src/core/server/server.api.md
@@ -754,8 +754,6 @@ export class CspConfig implements ICspConfig {
     // (undocumented)
     readonly header: string;
     // (undocumented)
-    readonly rules: string[];
-    // (undocumented)
     readonly strict: boolean;
     // (undocumented)
     readonly warnLegacyBrowsers: boolean;
@@ -1134,7 +1132,6 @@ export type IContextProvider<Context extends RequestHandlerContext, ContextName
 export interface ICspConfig {
     readonly disableEmbedding: boolean;
     readonly header: string;
-    readonly rules: string[];
     readonly strict: boolean;
     readonly warnLegacyBrowsers: boolean;
 }