diff --git a/.spectral.yaml b/.spectral.yaml
index 98e0100..047649a 100644
--- a/.spectral.yaml
+++ b/.spectral.yaml
@@ -11,6 +11,7 @@ rules:
   path-params: true
   typed-enum: true
   oas3-schema: true
+  oas3-operation-security-defined: true
 
   must-accept-content-types:
     description: "All endpoint bodies MUST accept the header with (one of) Content-Type: application/json, multipart/form-data, application/octet-stream."
@@ -40,15 +41,6 @@ rules:
           -  image/png
           -  application/octet-stream
 
-  unexpected-error-default-response:
-    description: "All endpoints must return a default response."
-    message: "{{description}}"
-    severity: warn
-    given: $.paths..responses
-    then:
-      - field: "default"
-        function: truthy
-
   schema-ids-must-have-alphanumeric-characters-only:
     description: 'All schema ids must only contain alphanumeric characters.'
     given: "$.components.schemas"
@@ -59,15 +51,6 @@ rules:
       functionOptions:
         match: '^[a-zA-Z0-9]+$'
 
-  must-have-security-schemes:
-    description: "Contract must have a security scheme."
-    recommended: true
-    severity: warn
-    given: $.components
-    then:
-      field: securitySchemes
-      function: truthy
-
   must-support-client-credentials-oauth2:
     description: "Contract must support client credentials with oauth2."
     recommended: true
diff --git a/TestSpecs/must-have-security-schemes-invalid.yaml b/TestSpecs/must-have-security-schemes-invalid.yaml
deleted file mode 100644
index e934fc3..0000000
--- a/TestSpecs/must-have-security-schemes-invalid.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-openapi: 3.0.1
-info:
-  title: V1 API General
-  version: v1
-components:
-  schemas:
-    BuyItemError:
-      type: object
-      properties:
-        message:
-          type: string
-          nullable: true
-      additionalProperties: false
diff --git a/TestSpecs/must-have-security-schemes-valid.yaml b/TestSpecs/must-have-security-schemes-valid.yaml
deleted file mode 100644
index 7605a56..0000000
--- a/TestSpecs/must-have-security-schemes-valid.yaml
+++ /dev/null
@@ -1,20 +0,0 @@
-openapi: 3.0.1
-info:
-  title: V1 API General
-  version: v1
-components:
-  schemas:
-    BuyItemError:
-      type: object
-      properties:
-        message:
-          type: string
-          nullable: true
-      additionalProperties: false
-  securitySchemes:
-    oauth2:
-      type: oauth2
-      description: This API uses OAuth 2 with the client credential flow.
-      flows:
-        clientCredentials:
-          tokenUrl: https://localhost:8000/oauth2/token
diff --git a/TestSpecs/unexpected-error-default-response-invalid.yaml b/TestSpecs/unexpected-error-default-response-invalid.yaml
deleted file mode 100644
index 8ad68c4..0000000
--- a/TestSpecs/unexpected-error-default-response-invalid.yaml
+++ /dev/null
@@ -1,26 +0,0 @@
-openapi: 3.0.1
-info:
-  title: V1 API General
-  version: v1
-paths:
-  /buy-item:
-    post:
-      tags:
-        - Shop
-      summary: Buy an item
-      operationId: BuyItem
-      responses:
-        '200':
-          description: Success
-          content:
-            application/json:
-              schema:
-                required:
-                  - itemName
-                type: object
-                properties:
-                  itemName:
-                    maxLength: 200
-                    minLength: 1
-                    type: string
-                additionalProperties: false
diff --git a/TestSpecs/unexpected-error-default-response-valid.yaml b/TestSpecs/unexpected-error-default-response-valid.yaml
deleted file mode 100644
index 8cf271b..0000000
--- a/TestSpecs/unexpected-error-default-response-valid.yaml
+++ /dev/null
@@ -1,27 +0,0 @@
-openapi: 3.0.1
-info:
-  title: V1 API General
-  version: v1
-paths:
-  /buy-item:
-    post:
-      tags:
-        - Shop
-      summary: Buy an item
-      operationId: BuyItem
-      responses:
-        '200':
-          description: Success
-          content:
-            application/json:
-              schema:
-                required:
-                  - itemName
-                type: object
-                properties:
-                  itemName:
-                    maxLength: 200
-                    minLength: 1
-                    type: string
-                additionalProperties: false
-        default: '201'
\ No newline at end of file
diff --git a/test.ps1 b/test.ps1
index 8a0c029..8a10e66 100644
--- a/test.ps1
+++ b/test.ps1
@@ -14,8 +14,6 @@ $tests = @(
     @{ rule = "items-must-have-a-type"; expectError = $true; filename = "items-must-have-a-type-invalid.yaml" },
     @{ rule = "must-accept-content-types"; expectError = $false; filename = "must-accept-content-types-valid.yaml" },
     @{ rule = "must-accept-content-types"; expectError = $true; filename = "must-accept-content-types-invalid.yaml" },
-    @{ rule = "must-have-security-schemes"; expectError = $false; filename = "must-have-security-schemes-valid.yaml" },
-    @{ rule = "must-have-security-schemes"; expectError = $true; filename = "must-have-security-schemes-invalid.yaml" },
     @{ rule = "must-return-content-types"; expectError = $false; filename = "must-return-content-types-valid.yaml" },
     @{ rule = "must-return-content-types"; expectError = $true; filename = "must-return-content-types-invalid.yaml" },
     @{ rule = "must-support-client-credentials-oauth2"; expectError = $false; filename = "must-support-client-credentials-oauth2-valid.yaml" },
@@ -27,9 +25,7 @@ $tests = @(
     @{ rule = "schema-ids-must-have-alphanumeric-characters-only"; expectError = $false; filename = "schema-ids-must-have-alphanumeric-characters-only-valid.yaml" },
     @{ rule = "schema-ids-must-have-alphanumeric-characters-only"; expectError = $true; filename = "schema-ids-must-have-alphanumeric-characters-only-invalid.yaml" },
     @{ rule = "schema-object-must-have-a-type"; expectError = $false; filename = "schema-object-must-have-a-type-valid.yaml" },
-    @{ rule = "schema-object-must-have-a-type"; expectError = $true; filename = "schema-object-must-have-a-type-invalid.yaml" },
-    @{ rule = "unexpected-error-default-response"; expectError = $false; filename = "unexpected-error-default-response-valid.yaml" },
-    @{ rule = "unexpected-error-default-response"; expectError = $true; filename = "unexpected-error-default-response-invalid.yaml" }
+    @{ rule = "schema-object-must-have-a-type"; expectError = $true; filename = "schema-object-must-have-a-type-invalid.yaml" }
 )
 
 $fileCount = Get-ChildItem (Join-Path $PSScriptRoot "TestSpecs") | Measure-Object | Select-Object -ExpandProperty Count
@@ -70,3 +66,4 @@ foreach ($test in $tests) {
 }
 
 Write-Host -ForegroundColor Green "All tests passed"
+exit 0
\ No newline at end of file