diff --git a/README.md b/README.md
index b961127f..2eb97c41 100644
--- a/README.md
+++ b/README.md
@@ -19,20 +19,6 @@
     - server mode: change chunk size causes tune change
     - show blank icon
 
-- v.1.5.3.12
-
-  - Feature:
-    - Pass through mode
-  - bugfix:
-    - Adapted the GUI to the number of slots.
-
-- v.1.5.3.11
-
-  - improve:
-    - increase slot size
-  - bugfix:
-    - m1 mac: eliminate torchaudio
-
 # VC Client とは
 
 1. 各種音声変換 AI(VC, Voice Conversion)を用いてリアルタイム音声変換を行うためのクライアントソフトウェアです。サポートしている音声変換 AI は次のものになります。
diff --git a/README_en.md b/README_en.md
index f1246dbe..d326dc47 100644
--- a/README_en.md
+++ b/README_en.md
@@ -19,20 +19,6 @@
     - server mode: change chunk size causes tune change
     - show blank icon
 
-- v.1.5.3.12
-
-  - Feature:
-    - Pass through mode
-  - bugfix:
-    - Adapted the GUI to the number of slots.
-
-- v.1.5.3.11
-
-  - improve:
-    - increase slot size
-  - bugfix:
-    - m1 mac: eliminate torchaudio
-
 # What is VC Client
 
 1. This is a client software for performing real-time voice conversion using various Voice Conversion (VC) AI. The supported AI for voice conversion are as follows.