diff --git a/.github/workflows/root-ci-config/buildconfig/alma9-clang.txt b/.github/workflows/root-ci-config/buildconfig/alma9-clang.txt
deleted file mode 100644
index dba272151c9f7..0000000000000
--- a/.github/workflows/root-ci-config/buildconfig/alma9-clang.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-builtin_vdt=ON
-ccache=ON
-minuit2_omp=OFF
-tmva-sofie=ON
diff --git a/.github/workflows/root-ci.yml b/.github/workflows/root-ci.yml
index 377774f8ef903..90f6f07d7c2e3 100644
--- a/.github/workflows/root-ci.yml
+++ b/.github/workflows/root-ci.yml
@@ -393,7 +393,7 @@ jobs:
             property: arm64
             overrides: ["CMAKE_BUILD_TYPE=RelWithDebInfo", "builtin_zlib=ON", "builtin_zstd=ON"]
             architecture: ARM64
-          - image: alma9-clang
+          - image: alma10
             is_special: true
             property: "clang Ninja"
             overrides: ["CMAKE_C_COMPILER=clang", "CMAKE_CXX_COMPILER=clang++"]
diff --git a/roottest/requirements.txt b/roottest/requirements.txt
deleted file mode 100644
index a8b0c151902ac..0000000000000
--- a/roottest/requirements.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-# roottest requirements for third-party Python packages
-# These are in addition to ROOT's requirements.txt!
-
-IPython
-jupyter
-pytest
-# nbconvert 7.3 has a bug that does not respect --output option
-# See https://github.com/jupyter/nbconvert/issues/1970
-nbconvert != 7.3.*
-
-# Needed by tutorials (run as part of roottest)
-pandas
-
-# Needed by pyroot/tests
-setuptools # for pkg_resources
diff --git a/test/stressGraphics.ref b/test/stressGraphics.ref
index a894796951c36..47c4ca0972f3c 100644
--- a/test/stressGraphics.ref
+++ b/test/stressGraphics.ref
@@ -53,7 +53,7 @@ Test#   PS1Ref#   PS1Err#   PDFRef#   PDFErr#   JPGRef#   JPGErr#   PNGRef#   PN
    52    270825     10000    115500      1000     45496     11000     34685      5000    272950     10000
    53     15025      3000     29289       500     42525     11300     33336      3900     14787      4000
    54    254604      5000    383258      7000     55666     30400     46534      6500    259594      7000
-   55      4846       150     14075       150     33239       600     25303       300      4877       150
+   55      4846       150     14075       150     33239       600     25303       500      4877       150
    56   1435879    150000     12837       100     25830       100    365000     15000   1085792    250000
    57      5884       500     16577       200     40706     14000     30026      4000      5884       500
    58      5723       700     15720       200     32236     11000     16916      3200      5670       800