diff --git a/bob/__init__.py b/bob/__init__.py
index 289c53a..868a3ff 100644
--- a/bob/__init__.py
+++ b/bob/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "2.2.3 beta"
+__version__ = "2.2.4 beta"
 blue_color = 0x2273E6
 red_color = 0xE82E3E
diff --git a/cogs/config.py b/cogs/config.py
index 68ce98d..8f2d8d9 100644
--- a/cogs/config.py
+++ b/cogs/config.py
@@ -60,6 +60,16 @@ async def periodic_data_clean_and_save(self):
         while len(self.question_map.values()) > self.config["question_limit"]:
             self.question_map.pop(list(self.question_map.keys())[0])
             removed += 1
+        to_pop = []
+        for question_key in self.question_map.keys():
+            question = self.question_map[question_key]
+            if question.author in self.config["blacklist"]:
+                to_pop.append(question_key)
+
+        for key in to_pop:
+            self.question_map.pop(key)
+
+        removed += len(to_pop)
         self.logger.debug("removed %d questions, saving data...", removed)
         self.save_data()
 
diff --git a/cogs/lar.py b/cogs/lar.py
index 171aee0..63ac85e 100644
--- a/cogs/lar.py
+++ b/cogs/lar.py
@@ -24,6 +24,9 @@ async def learn(self, message: discord.Message):
             except discord.NotFound:
                 return
 
+            if reply.author.id not in self.config.config["optin"]:
+                return
+
             content = qna.classes.sanitize_question(reply.clean_content) + " " + \
                 " ".join([attachment.url for attachment in reply.attachments])
             if content not in self.config.question_map.keys():