diff --git a/VERSION b/VERSION
index 7f7adc2..8e49a7a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.5.2
+0.5.1
diff --git a/docs/api/channel.md b/docs/api/channel.md
index 59e7c87..a9111ae 100644
--- a/docs/api/channel.md
+++ b/docs/api/channel.md
@@ -100,7 +100,6 @@ Returns messages for a channel with id = {id}
         {
             "id": "string",
             "text": "string",
-            "iv": "string",
             "edited": "boolean",
             "ownerId": "string",
             "creationDate": "number"
diff --git a/docs/api/message.md b/docs/api/message.md
index a4482b9..23f9ffe 100644
--- a/docs/api/message.md
+++ b/docs/api/message.md
@@ -10,7 +10,6 @@ Returns a message with id = {id}
 {
     "id": "string",
     "text": "string",
-    "iv": "string",
     "editHistory": "string[]",
     "edited": "boolean",
     "ownerId": "string",
@@ -28,7 +27,6 @@ _Requires an authorization header_
 ```json
 {
     "text": "string",
-    "iv": "string",
     "channelId": "string"
 }
 ```
@@ -41,7 +39,6 @@ Creates a new message and returns it
 {
     "id": "string",
     "text": "string",
-    "iv": "string",
     "editHistory": "string[]",
     "edited": "boolean",
     "ownerId": "string",
@@ -70,7 +67,6 @@ Updates a message with id = {id}
 {
     "id": "string",
     "text": "string",
-    "iv": "string",
     "editHistory": "string[]",
     "edited": "boolean",
     "ownerId": "string",