diff --git a/.yamato/build_android.yml b/.yamato/build_android.yml
index 7f3f83aea38d..3cf61a9036bd 100644
--- a/.yamato/build_android.yml
+++ b/.yamato/build_android.yml
@@ -2,7 +2,7 @@ name: build_android
 
 agent:
   type: Unity::VM::osx
-  image: buildfarm/mac:stable
+  image: platform-foundation/mac-bokken:latest
   flavor: m1.mac
 
 commands:
diff --git a/.yamato/build_linux_x64.yml b/.yamato/build_linux_x64.yml
index dae6f068a627..d3781cd3f4f6 100644
--- a/.yamato/build_linux_x64.yml
+++ b/.yamato/build_linux_x64.yml
@@ -2,7 +2,7 @@ name: build_linux_x64
 
 agent:
   type: Unity::VM
-  image: cds-ops/ubuntu-18.04-agent:v1.0.11-765607
+  image: platform-foundation/linux-ubuntu-18.04-mono-bokken:latest
   flavor: b1.large
 
 commands:
diff --git a/.yamato/build_linux_x86.sh b/.yamato/build_linux_x86.sh
index a5fefe36ad2d..d64965481989 100755
--- a/.yamato/build_linux_x86.sh
+++ b/.yamato/build_linux_x86.sh
@@ -1,15 +1,3 @@
-sudo dpkg --add-architecture i386
-sudo DEBIAN_FRONTEND=noninteractive apt-get -qy update
-sudo apt-get install -y schroot
-sudo apt-get install -y binutils debootstrap
-sudo apt-get install -y m4
-sudo apt-get install -y libc6-i386
-sudo apt-get install -y libc6-dev-i386
-sudo apt-get install -y zlib1g:i386
-sudo apt-get install -y zlib1g-dev:i386
-sudo apt-get install -y libstdc++6:i386
-sudo apt-get install -y libncurses5:i386
-sudo apt-get install -y libncurses5-dev:i386
 git submodule update --init --recursive
 export UNITY_THISISABUILDMACHINE=1
 # try again in case previous update failed
diff --git a/.yamato/build_linux_x86.yml b/.yamato/build_linux_x86.yml
index 4ed82608c0d6..ca7c624e45ac 100644
--- a/.yamato/build_linux_x86.yml
+++ b/.yamato/build_linux_x86.yml
@@ -2,7 +2,7 @@ name: build_linux_x86
 
 agent:
   type: Unity::VM
-  image: cds-ops/ubuntu-18.04-agent:v1.0.11-765607
+  image: platform-foundation/linux-ubuntu-18.04-mono-bokken:latest
   flavor: b1.large
 
 commands:
diff --git a/.yamato/build_osx_classlibs.yml b/.yamato/build_osx_classlibs.yml
index c9fd702ae21d..62a87400a059 100644
--- a/.yamato/build_osx_classlibs.yml
+++ b/.yamato/build_osx_classlibs.yml
@@ -2,7 +2,7 @@ name: build_osx_classlibs
 
 agent:
   type: Unity::VM::osx
-  image: buildfarm/mac:latest
+  image: platform-foundation/mac-bokken:latest
   flavor: m1.mac
 
 commands:
diff --git a/.yamato/build_osx_runtime.yml b/.yamato/build_osx_runtime.yml
index b6d26b500d48..d525dd9c4d36 100644
--- a/.yamato/build_osx_runtime.yml
+++ b/.yamato/build_osx_runtime.yml
@@ -2,7 +2,7 @@ name: build_osx_runtime
 
 agent:
   type: Unity::VM::osx
-  image: buildfarm/mac:latest
+  image: platform-foundation/mac-bokken:latest
   flavor: m1.mac
 
 commands: