diff --git a/android/jni/dc_wrapper.c b/android/jni/dc_wrapper.c
index 9462765..d085d8c 100644
--- a/android/jni/dc_wrapper.c
+++ b/android/jni/dc_wrapper.c
@@ -616,12 +616,6 @@ JNIEXPORT jint Java_com_b44t_messenger_DcContext_getFreshMsgCount(JNIEnv *env, j
 }
 
 
-JNIEXPORT jint Java_com_b44t_messenger_DcContext_estimateDeletionCount(JNIEnv *env, jobject obj, jboolean from_server, jlong seconds)
-{
-	return dc_estimate_deletion_cnt(get_dc_context(env, obj), from_server, seconds);
-}
-
-
 
 JNIEXPORT jlong Java_com_b44t_messenger_DcContext_getMsgCPtr(JNIEnv *env, jobject obj, jint id)
 {
@@ -961,14 +955,18 @@ JNIEXPORT jint Java_com_b44t_messenger_DcContext_isCoiMessageFilterEnabled(JNIEn
 	return (jint)dc_get_coi_message_filter(get_dc_context(env, obj));
 }
 
-JNIEXPORT jstring Java_com_b44t_messenger_DcContext_decryptMessageInMemory(JNIEnv *env, jobject obj, jstring contentType, jstring content, jstring senderAddr)
+JNIEXPORT jstring Java_com_b44t_messenger_DcContext_decryptMessageInMemory(JNIEnv *env, jobject obj, jstring contentType, jstring content, jstring senderAddr, jobject chatIdWrapper)
 {
 	CHAR_REF(contentType);
 	CHAR_REF(content);
 	CHAR_REF(senderAddr);
 	int partCount;
-		char* temp = dc_decrypt_message_in_memory(get_dc_context(env, obj), contentTypePtr, contentPtr, senderAddrPtr, 0, &partCount);
-            jstring ret = JSTRING_NEW(temp);
+	int chat_id;
+        char* temp = dc_decrypt_message_in_memory(get_dc_context(env, obj), contentTypePtr, contentPtr, senderAddrPtr, 0, &partCount, &chat_id);
+        jclass cls = (*env)->GetObjectClass(env, chatIdWrapper);
+        jfieldID fid = (*env)->GetFieldID(env,cls,"chatId","I");
+        (*env)->SetIntField(env,chatIdWrapper,fid,chat_id);
+        jstring ret = JSTRING_NEW(temp);
         free(temp);
 	CHAR_UNREF(contentType);
 	CHAR_UNREF(content);
diff --git a/android/src/main/java/com/b44t/messenger/ChatIdWrapper.java b/android/src/main/java/com/b44t/messenger/ChatIdWrapper.java
new file mode 100644
index 0000000..8de575d
--- /dev/null
+++ b/android/src/main/java/com/b44t/messenger/ChatIdWrapper.java
@@ -0,0 +1,5 @@
+package com.b44t.messenger;
+
+public class ChatIdWrapper {
+    public int chatId;
+}
diff --git a/android/src/main/java/com/b44t/messenger/DcContext.java b/android/src/main/java/com/b44t/messenger/DcContext.java
index bc9cb6b..f96c610 100644
--- a/android/src/main/java/com/b44t/messenger/DcContext.java
+++ b/android/src/main/java/com/b44t/messenger/DcContext.java
@@ -194,7 +194,7 @@ protected void finalize() throws Throwable {
     public native void         setCoiMessageFilter  (int mode, int id);
     public native int          isCoiMessageFilterEnabled();
     public native void         validateWebPush      (String uid, String msg, int id);
-    public native String       decryptMessageInMemory (String contentType, String content, String senderAddress);
+    public native String       decryptMessageInMemory (String contentType, String content, String senderAddress, ChatIdWrapper chatIdWrapper);
 
     /**
      * @return true if at least one chat has location streaming enabled
diff --git a/android/src/main/java/com/openxchange/deltachatcore/handlers/ContextCallHandler.java b/android/src/main/java/com/openxchange/deltachatcore/handlers/ContextCallHandler.java
index 14c2c03..706e1ba 100644
--- a/android/src/main/java/com/openxchange/deltachatcore/handlers/ContextCallHandler.java
+++ b/android/src/main/java/com/openxchange/deltachatcore/handlers/ContextCallHandler.java
@@ -42,6 +42,9 @@
 
 package com.openxchange.deltachatcore.handlers;
 
+import android.util.Log;
+
+import com.b44t.messenger.ChatIdWrapper;
 import com.b44t.messenger.DcChat;
 import com.b44t.messenger.DcChatlist;
 import com.b44t.messenger.DcContact;
@@ -1200,6 +1203,7 @@ private void retrySendingPendingMessages(MethodChannel.Result result) {
     }
 
     private void decryptMessageInMemory(MethodCall methodCall, MethodChannel.Result result) {
+        Log.d("dboehrs", "decryptMessageInMemory: started");
         if (!hasArgumentKeys(methodCall, ARGUMENT_CONTENT_TYPE, ARGUMENT_CONTENT, ARGUMENT_ADDRESS)) {
             resultErrorArgumentMissing(result);
             return;
@@ -1219,7 +1223,9 @@ private void decryptMessageInMemory(MethodCall methodCall, MethodChannel.Result
             resultErrorArgumentMissingValue(result);
             return;
         }
-        String plainText = dcContext.decryptMessageInMemory(contentType, content, senderAddress);
+        ChatIdWrapper chatIdWrapper = new ChatIdWrapper();
+        String plainText = dcContext.decryptMessageInMemory(contentType, content, senderAddress, chatIdWrapper);
+        Log.d("dboehrs", "decryptMessageInMemory: finished with" + chatIdWrapper.chatId);
         result.success(plainText);
     }
 }
\ No newline at end of file