diff --git a/.goreleaser.yml b/.goreleaser.yml
index 252b760..c00a89b 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -17,7 +17,6 @@ builds:
       - darwin
     goarch:
       - amd64
-      - arm64
 archives:
   - name_template: '{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}'
     replacements:
diff --git a/README.md b/README.md
index ddc29b0..deaf27a 100644
--- a/README.md
+++ b/README.md
@@ -33,30 +33,13 @@ $ brew install --HEAD ideviceinstaller
 ```
 
 ## Installation
-### Binary
+### Binary(Intell Mac Only)
 Download the binary from [GitHub Releases](https://github.com/aktsk/ipa-medit/releases/) and drop it in your $PATH.
-If you are targeting an iOS app that runs on an Apple Silicon Mac, you will need to sign it.
-
-```
-$ script/codesign.sh <ipa-medit path>
-```
 
 ### Manually Build
+You can build it by using the make command.
 You need Go compiler.
-If you are targeting an IOS app that runs on an Apple Silicon Mac, you will need to sign it.
-
-```
-$ go install github.com/aktsk/ipa-medit@latest
-```
-
-If you are targeting an iOS app that runs on an Apple Silicon Mac, you will need to sign it.
-
-```
-$ script/codesign.sh <ipa-medit path>
-```
-
-Also, you can build it by using the make command.
-In this case, `script/codesign.sh` will be executed and signed automatically.
+If you are targeting an iOS app that runs on an Apple Silicon Mac, you will need to sign it, but `script/codesign.sh` will be executed and signed automatically.
 
 ```
 $ git clone git@github.com:aktsk/ipa-medit.git