diff --git a/.cirrus.yml b/.cirrus.yml
index 1a7a04e01e5a6..e3cb9ff006ccf 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -371,10 +371,3 @@ task:
     - g++ -Werror include/*.h
     - clang -Werror -x c++-header include/*.h
     - /opt/msvc/bin/x64/cl.exe -c -WX -TP include/*.h
-
-task:
-  name: "sage prover"
-  << : *LINUX_CONTAINER
-  test_script:
-    - cd sage
-    - sage prove_group_implementations.sage
diff --git a/ci/linux-debian.Dockerfile b/ci/linux-debian.Dockerfile
index dbb1dd2919295..c319ff1cac68f 100644
--- a/ci/linux-debian.Dockerfile
+++ b/ci/linux-debian.Dockerfile
@@ -21,8 +21,7 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
         gcc-aarch64-linux-gnu libc6-dev-arm64-cross libc6-dbg:arm64 \
         gcc-powerpc64le-linux-gnu libc6-dev-ppc64el-cross libc6-dbg:ppc64el \
         gcc-mingw-w64-x86-64-win32 wine64 wine \
-        gcc-mingw-w64-i686-win32 wine32 \
-        sagemath
+        gcc-mingw-w64-i686-win32 wine32
 
 WORKDIR /root