diff --git a/src/main/java/edu/harvard/dbmi/avillach/dictionary/concept/model/CategoricalConcept.java b/src/main/java/edu/harvard/dbmi/avillach/dictionary/concept/model/CategoricalConcept.java
index 135a43a..de0cf29 100644
--- a/src/main/java/edu/harvard/dbmi/avillach/dictionary/concept/model/CategoricalConcept.java
+++ b/src/main/java/edu/harvard/dbmi/avillach/dictionary/concept/model/CategoricalConcept.java
@@ -42,7 +42,6 @@ public CategoricalConcept(String conceptPath, String dataset) {
     }
 
 
-    @JsonProperty("type")
     @Override
     public ConceptType type() {
         return ConceptType.Categorical;
diff --git a/src/main/java/edu/harvard/dbmi/avillach/dictionary/concept/model/ContinuousConcept.java b/src/main/java/edu/harvard/dbmi/avillach/dictionary/concept/model/ContinuousConcept.java
index 021cb4f..7299d3e 100644
--- a/src/main/java/edu/harvard/dbmi/avillach/dictionary/concept/model/ContinuousConcept.java
+++ b/src/main/java/edu/harvard/dbmi/avillach/dictionary/concept/model/ContinuousConcept.java
@@ -43,7 +43,6 @@ public ContinuousConcept(
         this(conceptPath, name, display, dataset, description, allowFiltering, min, max, studyAcronym, meta, null);
     }
 
-    @JsonProperty("type")
     @Override
     public ConceptType type() {
         return ConceptType.Continuous;
diff --git a/src/test/java/edu/harvard/dbmi/avillach/dictionary/concept/model/ConceptTest.java b/src/test/java/edu/harvard/dbmi/avillach/dictionary/concept/model/ConceptTest.java
index b469338..35ed853 100644
--- a/src/test/java/edu/harvard/dbmi/avillach/dictionary/concept/model/ConceptTest.java
+++ b/src/test/java/edu/harvard/dbmi/avillach/dictionary/concept/model/ConceptTest.java
@@ -78,8 +78,7 @@ void shouldIncludeTypeInList() throws JsonProcessingException {
 
         String actual = new ObjectMapper().writeValueAsString(concepts);
         String expected =
-            "[{\"conceptPath\":\"/foo//baz\",\"name\":\"baz\",\"display\":\"Baz\",\"dataset\":\"study_a\",\"description\":null,\"allowFiltering\":true,\"min\":0.0,\"max\":1.0,\"studyAcronym\":\"\",\"meta\":{},\"children\":null,\"table\":null,\"study\":null,\"type\":\"Continuous\"},{\"conceptPath\":\"/foo//bar\",\"name\":\"bar\",\"display\":\"Bar\",\"dataset\":\"study_a\",\"description\":null,\"values\":[\"a\",\"b\"],\"allowFiltering\":true,\"studyAcronym\":\"\",\"children\":null,\"meta\":{},\"table\":null,\"study\":null,\"type\":\"Categorical\"}]";
-
+            "[{\"conceptPath\":\"/foo//baz\",\"name\":\"baz\",\"display\":\"Baz\",\"dataset\":\"study_a\",\"description\":null,\"allowFiltering\":true,\"min\":0.0,\"max\":1.0,\"studyAcronym\":\"\",\"meta\":{},\"children\":null,\"table\":null,\"study\":null},{\"conceptPath\":\"/foo//bar\",\"name\":\"bar\",\"display\":\"Bar\",\"dataset\":\"study_a\",\"description\":null,\"values\":[\"a\",\"b\"],\"allowFiltering\":true,\"studyAcronym\":\"\",\"children\":null,\"meta\":{},\"table\":null,\"study\":null}]";
         Assertions.assertEquals(expected, actual);
     }
 }