diff --git a/src/main/java/de/thm/arsnova/entities/Answer.java b/src/main/java/de/thm/arsnova/entities/Answer.java
index d2361ed901256dfb1906f059d87ef92d6ffea750..ceb1821d7583318201fa0c4bda525cdbbce566d3 100644
--- a/src/main/java/de/thm/arsnova/entities/Answer.java
+++ b/src/main/java/de/thm/arsnova/entities/Answer.java
@@ -1,5 +1,7 @@
 package de.thm.arsnova.entities;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
 public class Answer {
 
 	private String _id;
@@ -86,6 +88,10 @@ public class Answer {
 		this.piRound = piRound;
 	}
 
+	/* TODO: use JsonViews instead of JsonIgnore when supported by Spring (4.1)
+	 * http://wiki.fasterxml.com/JacksonJsonViews
+	 * https://jira.spring.io/browse/SPR-7156 */
+	@JsonIgnore
 	public final String getUser() {
 		return user;
 	}
diff --git a/src/main/java/de/thm/arsnova/entities/InterposedQuestion.java b/src/main/java/de/thm/arsnova/entities/InterposedQuestion.java
index c316a259812a52b05f45a87099866a43d5544e23..a08b136ae2b43be9ca73e7cb3bd0a97b3a6323a1 100644
--- a/src/main/java/de/thm/arsnova/entities/InterposedQuestion.java
+++ b/src/main/java/de/thm/arsnova/entities/InterposedQuestion.java
@@ -19,6 +19,8 @@
 
 package de.thm.arsnova.entities;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
 public class InterposedQuestion {
 
 	private String _id;
@@ -85,6 +87,10 @@ public class InterposedQuestion {
 		this.timestamp = timestamp;
 	}
 
+	/* TODO: use JsonViews instead of JsonIgnore when supported by Spring (4.1)
+	 * http://wiki.fasterxml.com/JacksonJsonViews
+	 * https://jira.spring.io/browse/SPR-7156 */
+	@JsonIgnore
 	public String getCreator() {
 		return creator;
 	}