diff --git a/.github/workflows/kcpp-build-release-arm64.yaml b/.github/workflows/kcpp-build-release-arm64.yaml
index 3444bde559905..b14cd94d37ade 100644
--- a/.github/workflows/kcpp-build-release-arm64.yaml
+++ b/.github/workflows/kcpp-build-release-arm64.yaml
@@ -60,7 +60,6 @@ jobs:
             /bin/bash -c "
               apt-get update && apt-get install -y build-essential && \
               apt-get install -y software-properties-common && \
-              add-apt-repository -y ppa:ubuntu-toolchain-r/test && \
               apt-get update && apt-get install -y gcc-12 g++-12 && \
               export LD_LIBRARY_PATH=/usr/lib/gcc/x86_64-linux-gnu/12:$LD_LIBRARY_PATH && \
               pip install customtkinter pyinstaller tk && \