diff --git a/CHANGELOG.md b/CHANGELOG.md
index e1abd67..dcccc37 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed
 
+- Removed unused `api_` fields.
+
 ### Deprecated
 
 ### Security
diff --git a/README.md b/README.md
index 9cc8dc7..75a47df 100644
--- a/README.md
+++ b/README.md
@@ -56,12 +56,6 @@ Below is the example configuration one might use in `declarative_config`:
     keepalive: 60000
     store_id: "your_store_id"
     model_id: "your_model_id"
-    api_token: "your_api_token"
-    api_token_issuer: "your_api_token_issuer"
-    api_audience: "your_api_audience"
-    api_client_id: "your_api_client_id"
-    api_client_secret: "your_api_client_secret"
-    api_token_cache: 600
     tuple:
       user: "user_id"
       relation: "relation"
@@ -86,12 +80,6 @@ Below is the example configuration one might use in `declarative_config`:
 | `keepalive`<br/>_optional_<br/><br/>**Type:** number                        | 60000         | The maximal idle timeout in milliseconds for the current connection. See [tcpsock:setkeepalive](https://github.com/openresty/lua-nginx-module#tcpsocksetkeepalive) for more details.                                     |
 | `store_id`<br/>_required_<br/><br/>**Type:** string                         | -             | The store ID in OpenFGA                                                                                                                                                                                                  |
 | `model_id`<br/>_optional_<br/><br/>**Type:** string                         | -             | Optional model ID (version). Latest is used if this is empty                                                                                                                                                             |
-| `api_token`<br/>_optional_<br/><br/>**Type:** string                        | -             | Optional API token                                                                                                                                                                                                       |
-| `api_token_issuer`<br/>_optional_<br/><br/>**Type:** string                 | -             | API token issuer                                                                                                                                                                                                         |
-| `api_audience`<br/>_optional_<br/><br/>**Type:** string                     | -             | API audience                                                                                                                                                                                                             |
-| `api_client_id`<br/>_optional_<br/><br/>**Type:** string                    | -             | API client ID                                                                                                                                                                                                            |
-| `api_client_secret`<br/>_optional_<br/><br/>**Type:** string                | -             | API client secret                                                                                                                                                                                                        |
-| `api_token_cache`<br/>_optional_<br/><br/>**Type:** number                  | 600           | API token cache duration in seconds                                                                                                                                                                                      |
 | `tuple`<br/>_required_<br/><br/>**Type:** record                            | -             | Tuple key for authorization                                                                                                                                                                                              |
 | `contextual_tuples`<br/>_optional_<br/><br/>**Type:** set                   | {}            | Set of contextual tuples for authorization                                                                                                                                                                               |
 
diff --git a/kong/plugins/kong-authz-openfga/schema.lua b/kong/plugins/kong-authz-openfga/schema.lua
index e8a234e..de1a4ff 100644
--- a/kong/plugins/kong-authz-openfga/schema.lua
+++ b/kong/plugins/kong-authz-openfga/schema.lua
@@ -50,12 +50,6 @@ local tuple_key = {
 ---@field failed_attempts_backoff_timeout integer
 ---@field store_id string
 ---@field model_id string
----@field api_token string
----@field api_token_issuer string
----@field api_audience string
----@field api_client_id string
----@field api_client_secret string
----@field api_token_cache number
 ---@field tuple TupleKey
 ---@field contextual_tuples TupleKey[]
 return {
@@ -83,19 +77,7 @@ return {
               type = "string",
             },
           },
-          {
-            api_token = {
-              description = "Optional API token",
-              type = "string",
-              referenceable = true,
-              encrypted = true,
-            },
-          },
-          { api_token_issuer = { type = "string" } },
-          { api_audience = { type = "string" } },
-          { api_client_id = { type = "string", referenceable = true, encrypted = true } },
-          { api_client_secret = { type = "string", referenceable = true, encrypted = true } },
-          { api_token_cache = { type = "number", default = 600 } },
+
           {
             tuple = tuple_key,
           },
@@ -107,16 +89,6 @@ return {
             },
           },
         },
-        entity_checks = {
-          {
-            mutually_required = {
-              "api_token_issuer",
-              "api_audience",
-              "api_client_id",
-              "api_client_secret",
-            },
-          },
-        },
       },
     },
   },
diff --git a/spec/kong-authz-openfga/01-schema_spec.lua b/spec/kong-authz-openfga/01-schema_spec.lua
index 1086289..0ce4565 100644
--- a/spec/kong-authz-openfga/01-schema_spec.lua
+++ b/spec/kong-authz-openfga/01-schema_spec.lua
@@ -50,7 +50,6 @@ describe(PLUGIN_NAME .. ": (#schema)", function()
       failed_attempts_backoff_timeout = 1000,
       store_id = "store_id",
       model_id = "model_id",
-      api_token = "api_token",
       timeout = 1000,
       keepalive = 6000,
       tuple = {