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.docker/Dockerfile

@@ -3,9 +3,6 @@ FROM $CROSS_BASE_IMAGE
 
 ARG CROSS_DEB_ARCH
 
-# Add the focal repository
-RUN echo "deb http://archive.ubuntu.com/ubuntu focal main universe" > /etc/apt/sources.list.d/focal.list
-
 RUN dpkg --add-architecture $CROSS_DEB_ARCH && \
     apt-get update && \
     apt-get install -y \
@@ -14,9 +11,6 @@ RUN dpkg --add-architecture $CROSS_DEB_ARCH && \
     libasound2-dev:$CROSS_DEB_ARCH \
     libglib2.0-dev:$CROSS_DEB_ARCH
 
-# Ensure we're using the focal version of libglib2.0-dev
-RUN apt-get install -y -t focal libglib2.0-dev:$CROSS_DEB_ARCH
-
 ENV PKG_CONFIG_ALLOW_CROSS=1
 ENV PKG_CONFIG_PATH=/usr/lib/$CROSS_DEB_ARCH-linux-gnu/pkgconfig
 ENV LD_LIBRARY_PATH=/usr/lib/$CROSS_DEB_ARCH-linux-gnu