diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PureCloudDotNetClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PureCloudDotNetClientCodegen.java
index 8f1f54a80efe..77080af252aa 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PureCloudDotNetClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PureCloudDotNetClientCodegen.java
@@ -26,7 +26,6 @@ public PureCloudDotNetClientCodegen() {
         typeMapping.put("date", "String" );
         typeMapping.put("LocalDateTime", "DateTime?");
         typeMapping.put("LocalTime", "DateTime?");
-        typeMapping.put("YearMonth", "String" );
         typeMapping.put("Dictionary<string, Object>", "Object");
         typeMapping.put("decimal", "double");
         typeMapping.put("decimal?", "double?");