diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 1f1214ba..655d0932 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -28,7 +28,7 @@ jobs:
         os:
           - ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
@@ -45,7 +45,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
diff --git a/test/coverage/Project.toml b/test/coverage/Project.toml
deleted file mode 100644
index 4fbdc477..00000000
--- a/test/coverage/Project.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[deps]
-Coverage = "a2441757-f6aa-5fb2-8edb-039e3f45d037"
diff --git a/test/coverage/coverage-summary.jl b/test/coverage/coverage-summary.jl
deleted file mode 100644
index 36720c3d..00000000
--- a/test/coverage/coverage-summary.jl
+++ /dev/null
@@ -1,12 +0,0 @@
-####
-#### Coverage summary, printed as "(percentage) covered".
-####
-#### Useful for CI environments that just want a summary (eg a Gitlab setup).
-####
-
-using Coverage
-cd(joinpath(@__DIR__, "..", "..")) do
-    covered_lines, total_lines = get_summary(process_folder())
-    percentage = covered_lines / total_lines * 100
-    println("($(percentage)%) covered")
-end
diff --git a/test/coverage/coverage.jl b/test/coverage/coverage.jl
deleted file mode 100644
index de6fe46a..00000000
--- a/test/coverage/coverage.jl
+++ /dev/null
@@ -1,9 +0,0 @@
-# only push coverage from one bot
-get(ENV, "TRAVIS_OS_NAME", nothing)       == "linux" || exit(0)
-get(ENV, "TRAVIS_JULIA_VERSION", nothing) == "1.1"   || exit(0)
-
-using Coverage
-
-cd(joinpath(@__DIR__, "..", "..")) do
-    Codecov.submit(Codecov.process_folder())
-end