diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7316ab22c9c28d86edf3fe3022c8c3e99523b9ba..7d19e229e6811afacbc4ac5740328b286e9914d7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -69,14 +69,6 @@ build-armv7-linux-deb9:
     - docker
     - armv7-linux
 
-build-i386-linux-deb8:
-  extends: .build
-  variables:
-    IMAGE: i386-linux-deb8
-  tags:
-    - docker
-    - x86_64-linux
-
 build-i386-linux-deb9:
   extends: .build
   variables:
diff --git a/i386-linux-deb8/Dockerfile b/i386-linux-deb8/Dockerfile
deleted file mode 100644
index 572c3170b14038dbf0a5260905b5c988f8c13e6f..0000000000000000000000000000000000000000
--- a/i386-linux-deb8/Dockerfile
+++ /dev/null
@@ -1,51 +0,0 @@
-FROM i386/debian:jessie
-
-SHELL ["/bin/bash", "-o", "pipefail", "-c"]
-
-ENV LANG C.UTF-8
-
-RUN echo 'deb http://ppa.launchpad.net/hvr/ghc/ubuntu trusty main' > /etc/apt/sources.list.d/ghc.list
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F6F88286
-
-# Core build utilities
-RUN apt-get update -qq \
-    && apt-get install --no-install-recommends -qy zlib1g-dev libtinfo-dev \
-    libsqlite3-0 libsqlite3-dev \
-    ca-certificates g++ git make automake autoconf gcc \
-    perl python3 texinfo xz-utils lbzip2 bzip2 patch openssh-client sudo time \
-    jq wget curl \
-    # Documentation tools
-    python3-sphinx texlive-xetex texlive-latex-extra \
-    # Core build utilities
-    libgmp-dev:i386 \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
-
-WORKDIR /tmp
-# Get i386 GHC bindist for 32 bit CI builds.
-ENV GHC_VERSION 8.6.5
-RUN curl https://downloads.haskell.org/~ghc/$GHC_VERSION/ghc-$GHC_VERSION-i386-deb8-linux.tar.xz | tar -Jx;
-WORKDIR /tmp/ghc-$GHC_VERSION
-RUN setarch i386 ./configure --prefix=/opt/ghc-i386/$GHC_VERSION CFLAGS=-m32 --target=i386-unknown-linux --build=i386-unknown-linux --host=i386-unknown-linux; \
-    make install; \
-    rm -rf /tmp/ghc-$GHC_VERSION
-ENV PATH /opt/ghc-i386/$GHC_VERSION/bin:$PATH
-
-WORKDIR /tmp
-# Get Cabal
-ENV CABAL_VERSION 2.4.1.0
-RUN curl https://downloads.haskell.org/cabal/cabal-install-$CABAL_VERSION/cabal-install-$CABAL_VERSION-i386-unknown-linux.tar.xz | tar -Jx && \
-    mv cabal /usr/local/bin/cabal
-
-# Create a normal user.
-RUN adduser ghc --gecos "GHC builds" --disabled-password
-RUN echo "ghc ALL = NOPASSWD : ALL" > /etc/sudoers.d/ghc
-USER ghc
-WORKDIR /home/ghc/
-
-# Build Haskell tools
-RUN cabal v2-update && \
-    cabal v2-install hscolour happy alex --constraint 'happy ^>= 1.19.10'
-ENV PATH /home/ghc/.cabal/bin:$PATH
-
-CMD ["bash"]