diff --git a/.gradle/6.7/executionHistory/executionHistory.bin b/.gradle/6.7/executionHistory/executionHistory.bin
index 7429394f5a3d93ed99461a4b72d00e23a317bd04..8b76bebf6b0eb3006cf18d0096f6ae2e44f62c25 100644
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diff --git a/.gradle/6.7/executionHistory/executionHistory.lock b/.gradle/6.7/executionHistory/executionHistory.lock
index da6e65ef04d1469d5c286fea4a17d375083ee5ef..214f0511d88b18585fa4eaf0eacb27308d6dc49c 100644
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diff --git a/.gradle/6.7/fileHashes/fileHashes.bin b/.gradle/6.7/fileHashes/fileHashes.bin
index 7d19096aaa40009349742bd7811e75624019dc3e..b6122204a165f9369d785682a97e8d753c83054e 100644
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diff --git a/.gradle/6.7/fileHashes/fileHashes.lock b/.gradle/6.7/fileHashes/fileHashes.lock
index 4b97de78b851f740f0e15dd8c8aa1a7a4c409ae9..50f7d7d30dd434b481b9a5c0d729c98764f9db9d 100644
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diff --git a/.gradle/6.7/javaCompile/classAnalysis.bin b/.gradle/6.7/javaCompile/classAnalysis.bin
index fa5bbf7020f430ee4402e6a4fe1115cbb5d2a5f0..11ebbf40a4f1cc1f78734008e1dbd75ce4d92636 100644
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diff --git a/.gradle/6.7/javaCompile/javaCompile.lock b/.gradle/6.7/javaCompile/javaCompile.lock
index de894def8b73f1c86666fbef2e02fca11c2232f4..36323a7a9a153fba18e24aaecc90a1d469f51e00 100644
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diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index 25bfd40b3c35b536a8ea73f0dbe564b55fc9ccc4..85792efb77fc144813a7f1d3bc4c7ce3a22670d1 100644
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diff --git a/build/classes/java/main/chat/ChatClient.class b/build/classes/java/main/chat/ChatClient.class
index 05923f09ceb5d6b99e41842fb27ea86a06305839..0e3bcd5e4ca6c414e3a5e405d0ee90e78d3346d0 100644
Binary files a/build/classes/java/main/chat/ChatClient.class and b/build/classes/java/main/chat/ChatClient.class differ
diff --git a/build/extracted-include-protos/test/Actor.proto b/build/extracted-include-protos/test/Actor.proto
index 8ad4d2d8421e852e77b838650e019e83230fa3e4..feaf50795267a7813b6fe52bf45b1415ebad01fd 100644
--- a/build/extracted-include-protos/test/Actor.proto
+++ b/build/extracted-include-protos/test/Actor.proto
@@ -10,9 +10,9 @@ message Actor {
 	}
 
 	message Movie {
-		required string title = 1;
-		required int32 year = 2;
-	}
+        required string title = 1;
+        required int32 year = 2;
+    }
 
 	repeated Movie movie = 3;
 	optional Sex sex = 4;
diff --git a/build/resources/main/Actor.proto b/build/resources/main/Actor.proto
index 8ad4d2d8421e852e77b838650e019e83230fa3e4..feaf50795267a7813b6fe52bf45b1415ebad01fd 100644
--- a/build/resources/main/Actor.proto
+++ b/build/resources/main/Actor.proto
@@ -10,9 +10,9 @@ message Actor {
 	}
 
 	message Movie {
-		required string title = 1;
-		required int32 year = 2;
-	}
+        required string title = 1;
+        required int32 year = 2;
+    }
 
 	repeated Movie movie = 3;
 	optional Sex sex = 4;
diff --git a/src/main/java/chat/ChatServiceImpl.java b/src/main/java/chat/ChatServiceImpl.java
index e6b60c80b32f652b8f945a59671c06959a639b62..64e1302e7e392ae98988c47ddd28c8bf52341c7d 100644
--- a/src/main/java/chat/ChatServiceImpl.java
+++ b/src/main/java/chat/ChatServiceImpl.java
@@ -57,7 +57,7 @@ public class ChatServiceImpl extends ChatServiceImplBase {
                             //peer no longer available
                             synchronized (observers){
 
-                                observers.remove(responseObserver);
+                                observers.remove(observer);
 
                             }
                         }
diff --git a/src/main/proto/Actor.proto b/src/main/proto/Actor.proto
index 8ad4d2d8421e852e77b838650e019e83230fa3e4..feaf50795267a7813b6fe52bf45b1415ebad01fd 100644
--- a/src/main/proto/Actor.proto
+++ b/src/main/proto/Actor.proto
@@ -10,9 +10,9 @@ message Actor {
 	}
 
 	message Movie {
-		required string title = 1;
-		required int32 year = 2;
-	}
+        required string title = 1;
+        required int32 year = 2;
+    }
 
 	repeated Movie movie = 3;
 	optional Sex sex = 4;