diff --git a/.github/workflows/build-pr.yml b/.github/workflows/build-pr.yml
index 791da47..78ba9a4 100644
--- a/.github/workflows/build-pr.yml
+++ b/.github/workflows/build-pr.yml
@@ -35,6 +35,7 @@
             overwrite: true
 
     build:
+      needs: compile_launcher
       runs-on: ubuntu-latest
       if: github.event.issue.pull_request && contains(github.event.comment.body, '/build')
       steps:
diff --git a/app/launcher/dqxclarity.ahk b/app/launcher/dqxclarity.ahk
index 2c0ec73..0f850a6 100644
--- a/app/launcher/dqxclarity.ahk
+++ b/app/launcher/dqxclarity.ahk
@@ -2,7 +2,6 @@
 #SingleInstance force
 #Include <json>
 #Include <image>
-#Include <md5>
 
 /* read ini */
 ini := {}
diff --git a/app/launcher/lib/md5.ahk b/app/launcher/lib/md5.ahk
deleted file mode 100644
index 592ba8f..0000000
--- a/app/launcher/lib/md5.ahk
+++ /dev/null
@@ -1,10 +0,0 @@
-MD5_File(Path, &md5 := "") {
-    ctx := Buffer(104, 0)
-    buf := FileRead(Path, "RAW")
-    DllCall("advapi32\MD5Init", "Ptr", ctx)
-    DllCall("advapi32\MD5Update", "Ptr", ctx, "Ptr", buf, "UInt", buf.Size)
-    DllCall("advapi32\MD5Final", "Ptr", ctx)
-    loop 16
-        md5 .= Format("{:02x}", NumGet(ctx, 87 + A_Index, "UChar"))
-    return md5
-}