diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index fdedc9e9..80058142 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -64,6 +64,11 @@ jobs:
             using Pkg
             Pkg.develop(PackageSpec(path=pwd()))
             Pkg.instantiate()'
+      - run: |
+          sudo apt-get update && \
+            sudo apt-get install --no-install-recommends -qq texlive-latex-base git \
+            texlive-luatex texlive-pictures texlive-latex-extra pdf2svg \
+            poppler-utils gnuplot-nox wget ca-certificates openssh-client rsync file
       - run: |
           julia --project=docs -e '
             using Documenter: doctest, DocMeta
diff --git a/test/runtests.jl b/test/runtests.jl
index 039f168b..f9284a99 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -34,15 +34,3 @@ include("test_elements.jl")
 mktempdir() do tmp; cd(tmp) do
     include("test_build.jl")
 end end
-
-# Build the docs on Julia v1.3
-if get(ENV, "TRAVIS_JULIA_VERSION", nothing) == "1.5"
-    cd(joinpath(@__DIR__, "..")) do
-        withenv("JULIA_LOAD_PATH" => nothing) do
-            cmd = `$(Base.julia_cmd()) --depwarn=no --color=yes --project=docs/`
-            coverage = Base.JLOptions().code_coverage == 0 ? "none" : "user"
-            run(`$(cmd) -e 'using Pkg; Pkg.instantiate()'`)
-            run(`$(cmd) --code-coverage=$(coverage) docs/make.jl`)
-        end
-    end
-end