diff --git a/src/main/java/de/thm/arsnova/controller/AudienceQuestionController.java b/src/main/java/de/thm/arsnova/controller/AudienceQuestionController.java
index d390d7a5f05a172e78c944e1b9c63acc792f5537..5b606d54e098552f0e566e5bedc5de74d62c6aaa 100644
--- a/src/main/java/de/thm/arsnova/controller/AudienceQuestionController.java
+++ b/src/main/java/de/thm/arsnova/controller/AudienceQuestionController.java
@@ -117,4 +117,5 @@ public class AudienceQuestionController extends AbstractController {
 	) {
 		questionService.deleteInterposedQuestion(questionId);
 	}
+
 }
diff --git a/src/main/java/de/thm/arsnova/controller/LegacyController.java b/src/main/java/de/thm/arsnova/controller/LegacyController.java
index 8f2c5b7a0774467e35830a32f96d2f870e9faeee..83c049daddd8b5df8e8e246a291148a0c066fcab 100644
--- a/src/main/java/de/thm/arsnova/controller/LegacyController.java
+++ b/src/main/java/de/thm/arsnova/controller/LegacyController.java
@@ -22,16 +22,23 @@ import javax.servlet.http.HttpServletResponse;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import de.thm.arsnova.services.IQuestionService;
 
 @Controller
 public class LegacyController extends AbstractController {
 
 	public static final Logger LOGGER = LoggerFactory.getLogger(LegacyController.class);
 
+	@Autowired
+	private IQuestionService questionService;
+
 	/* specific routes */
 
 	@RequestMapping(value = "/session/mysessions", method = RequestMethod.GET)
@@ -115,6 +122,15 @@ public class LegacyController extends AbstractController {
 		return String.format("forward:/audiencequestion/?sessionkey=%s", sessionKey);
 	}
 
+	@RequestMapping(value = "/session/{sessionKey}/interposed", method = RequestMethod.DELETE)
+	@ResponseBody
+	public final void deleteAllInterposedQuestions(
+			@PathVariable final String sessionKey,
+			final HttpServletResponse response
+	) {
+		questionService.deleteAllInterposedQuestions(sessionKey);
+	}
+
 	@RequestMapping(value = "/session/{sessionKey}/interposedcount", method = RequestMethod.GET)
 	public final String redirectQuestionByAudienceCount(
 			@PathVariable final String sessionKey,
diff --git a/src/main/java/de/thm/arsnova/dao/CouchDBDao.java b/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
index 9df14c78594113c4f3c146c08496101441a786ce..f1be1d0aa80f19888db80c573bd967c68cf8924e 100644
--- a/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
+++ b/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
@@ -1164,4 +1164,22 @@ public class CouchDBDao implements IDatabaseDao {
 			LOGGER.error("Could not delete session {}", session);
 		}
 	}
+
+	@Override
+	public void deleteAllInterposedQuestions(Session session) {
+		NovaView view = new NovaView("interposed_question/by_session");
+		view.setKey(session.get_id());
+		ViewResults questions = this.getDatabase().view(view);
+		if (questions == null || questions.isEmpty()) {
+			return;
+		}
+		for (Document document : questions.getResults()) {
+			try {
+				this.deleteDocument(document.getId());
+			} catch (IOException e) {
+				LOGGER.error("Could not delete all interposed questions {}", session);
+			}
+		}
+		
+	}
 }
diff --git a/src/main/java/de/thm/arsnova/dao/IDatabaseDao.java b/src/main/java/de/thm/arsnova/dao/IDatabaseDao.java
index 2827c41b08336e1e33e8655875d9939d09b0d07c..d4e60807bfd117762ba6c21588b14a2edf3dadf9 100644
--- a/src/main/java/de/thm/arsnova/dao/IDatabaseDao.java
+++ b/src/main/java/de/thm/arsnova/dao/IDatabaseDao.java
@@ -131,4 +131,6 @@ public interface IDatabaseDao {
 	Session updateSession(Session session);
 
 	void deleteSession(Session session);
+
+	void deleteAllInterposedQuestions(Session session);
 }
diff --git a/src/main/java/de/thm/arsnova/services/IQuestionService.java b/src/main/java/de/thm/arsnova/services/IQuestionService.java
index 4f04a0c73506ff5b42baaf5c87cf24e8321047a8..c1ff4f9e447ef49a08b9133a5a5a2c7c5053afd4 100644
--- a/src/main/java/de/thm/arsnova/services/IQuestionService.java
+++ b/src/main/java/de/thm/arsnova/services/IQuestionService.java
@@ -79,4 +79,6 @@ public interface IQuestionService {
 
 	void deleteInterposedQuestion(String questionId);
 
+	void deleteAllInterposedQuestions(String sessionKeyword);
+
 }
diff --git a/src/main/java/de/thm/arsnova/services/QuestionService.java b/src/main/java/de/thm/arsnova/services/QuestionService.java
index f6f51d6d732f4a049684c7013ff7b0ae7d46839a..a7755c96071d6b28774e4a314e892d0ae80314c8 100644
--- a/src/main/java/de/thm/arsnova/services/QuestionService.java
+++ b/src/main/java/de/thm/arsnova/services/QuestionService.java
@@ -180,6 +180,17 @@ public class QuestionService implements IQuestionService {
 		}
 		databaseDao.deleteInterposedQuestion(question);
 	}
+	
+	@Override
+	@Authenticated
+	public void deleteAllInterposedQuestions(String sessionKeyword) {
+		User user = userService.getCurrentUser();
+		Session session = databaseDao.getSessionFromKeyword(sessionKeyword);
+		if (user == null || session == null || ! session.isCreator(user)) {
+			throw new UnauthorizedException();
+		}
+		databaseDao.deleteAllInterposedQuestions(session);
+	}
 
 	@Override
 	@Authenticated
diff --git a/src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java b/src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java
index 8bef8eb9b932d22de9d0d0d4a080bdee49428402..ecb8038f930f8554b740ba05b198a859c1e61693 100644
--- a/src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java
+++ b/src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java
@@ -409,4 +409,10 @@ public class StubDatabaseDao implements IDatabaseDao {
 		// TODO Auto-generated method stub
 		
 	}
+
+	@Override
+	public void deleteAllInterposedQuestions(Session session) {
+		// TODO Auto-generated method stub
+		
+	}
 }