diff --git a/docs/openapi.json b/docs/openapi.json
index 1162ef6..9a4876d 100644
--- a/docs/openapi.json
+++ b/docs/openapi.json
@@ -976,7 +976,7 @@
         }
       },
       "Cancellation" : {
-        "required" : [ "action", "identifier", "reasonCode" ],
+        "required" : [ "action", "identifier" ],
         "type" : "object",
         "properties" : {
           "identifier" : {
@@ -984,11 +984,6 @@
           },
           "action" : {
             "$ref" : "#/components/schemas/Action"
-          },
-          "reasonCode" : {
-            "type" : "integer",
-            "description" : "A code uniquely identifying the cancellation reason",
-            "format" : "int32"
           }
         }
       }
diff --git a/docs/swagger.json b/docs/swagger.json
index c019249..3d0aed1 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -469,17 +469,11 @@
         },
         "identifier": {
           "$ref": "#/definitions/Identifier"
-        },
-        "reasonCode": {
-          "description": "A code uniquely identifying the cancellation reason",
-          "format": "int32",
-          "type": "integer"
         }
       },
       "required": [
         "action",
-        "identifier",
-        "reasonCode"
+        "identifier"
       ],
       "type": "object"
     },
diff --git a/src/main/java/ch/baloise/corellia/api/entities/Cancellation.java b/src/main/java/ch/baloise/corellia/api/entities/Cancellation.java
index 80f623b..5988b48 100644
--- a/src/main/java/ch/baloise/corellia/api/entities/Cancellation.java
+++ b/src/main/java/ch/baloise/corellia/api/entities/Cancellation.java
@@ -1,6 +1,5 @@
 package ch.baloise.corellia.api.entities;
 
-import com.fasterxml.jackson.annotation.JsonPropertyDescription;
 import java.io.Serializable;
 import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
@@ -17,10 +16,6 @@ public class Cancellation implements Serializable {
     @Valid
     private Action action;
 
-    @NotNull
-    @JsonPropertyDescription("A code uniquely identifying the cancellation reason")
-    private Integer reasonCode;
-
     public Identifier getIdentifier() {
         return identifier;
     }
@@ -37,11 +32,4 @@ public void setAction(Action action) {
         this.action = action;
     }
 
-    public Integer getReasonCode() {
-        return reasonCode;
-    }
-
-    public void setReasonCode(Integer reasonCode) {
-        this.reasonCode = reasonCode;
-    }
 }