diff --git a/build.gradle b/build.gradle
index 87ddd49..09d2490 100644
--- a/build.gradle
+++ b/build.gradle
@@ -157,10 +157,6 @@ ext['snakeyaml.version'] = '2.0'
 def openApiModule = project(":openapi")
 def inputSpecFile = new File(openApiModule.projectDir, "src/main/resources/openapi/courtHouses.yml")
 
-if (!inputSpecFile.exists()) {
-  throw new GradleException("OpenAPI spec file not found: $inputSpecFile")
-}
-
 openApiGenerate {
   generatorName = "spring"
   inputSpec = inputSpecFile.absolutePath
diff --git a/openapi b/openapi
index 63f0017..a3b4458 160000
--- a/openapi
+++ b/openapi
@@ -1 +1 @@
-Subproject commit 63f001742a53964a8290adc306381dd1fe1f9ec6
+Subproject commit a3b445841060088c2efdf592c66457ec6f4b9866
diff --git a/src/main/java/uk/gov/hmcts/cp/controllers/OpenApiController.java b/src/main/java/uk/gov/hmcts/cp/controllers/OpenApiController.java
index 677594b..3dc291f 100644
--- a/src/main/java/uk/gov/hmcts/cp/controllers/OpenApiController.java
+++ b/src/main/java/uk/gov/hmcts/cp/controllers/OpenApiController.java
@@ -4,18 +4,18 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.RestController;
-import uk.gov.hmcts.cp.openapi.api.DefaultApi;
+import uk.gov.hmcts.cp.openapi.api.CourtHouseApi;
 import uk.gov.hmcts.cp.openapi.model.CourtHousesschema;
 import uk.gov.hmcts.cp.services.OpenApiService;
 
 @RestController
 @RequiredArgsConstructor
-public class OpenApiController implements DefaultApi {
+public class OpenApiController implements CourtHouseApi {
 
     private final OpenApiService openApiService;
 
     @Override
-    public ResponseEntity<CourtHousesschema> courthousesCourtIdGet(String courtId) {
+    public ResponseEntity<CourtHousesschema> getCourthouseByCourtId(String courtId) {
         CourtHousesschema courtHousesschema = openApiService.getCourtHouse(courtId);
         return new ResponseEntity<>(courtHousesschema, HttpStatus.OK);
     }