diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9d1b1ee817b..254a6ff4f84 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -143,7 +143,7 @@ jobs:
           sudo add-apt-repository ppa:avsm/ppa -y # provides OPAM 2
           sudo add-apt-repository ppa:haxe/ocaml -y # provides newer version of mbedtls
           sudo apt-get update -qqy
-          sudo apt-get install -qqy ocaml-nox camlp5 opam libpcre2-dev zlib1g-dev libgtk2.0-dev libmbedtls-dev ninja-build libstring-shellquote-perl libipc-system-simple-perl
+          sudo apt-get install -qqy ocaml-nox opam libpcre2-dev zlib1g-dev libgtk2.0-dev libmbedtls-dev ninja-build
 
       - name: Install OCaml libraries
         if: steps.cache-opam.outputs.cache-hit != 'true'
@@ -478,8 +478,6 @@ jobs:
           set -ex
           brew update
           brew bundle --file=tests/Brewfile --no-upgrade
-          cpanm IPC::System::Simple
-          cpanm String::ShellQuote
           curl -L https://github.com/madler/zlib/releases/download/v$ZLIB_VERSION/zlib-$ZLIB_VERSION.tar.gz | tar xz
           cd zlib-$ZLIB_VERSION
           ./configure
diff --git a/Earthfile b/Earthfile
index d1e64e54586..9595c123361 100644
--- a/Earthfile
+++ b/Earthfile
@@ -61,15 +61,12 @@ devcontainer:
         && add-apt-repository ppa:haxe/ocaml \
         && apt-get install -qqy --no-install-recommends \
             ocaml-nox \
-            camlp5 \
             opam \
             libpcre2-dev \
             zlib1g-dev \
             libgtk2.0-dev \
             libmbedtls-dev \
             ninja-build \
-            libstring-shellquote-perl \
-            libipc-system-simple-perl \
         #
         # Clean up
         && apt-get autoremove -y \
diff --git a/Makefile b/Makefile
index e5909114cd7..aebe84c8695 100644
--- a/Makefile
+++ b/Makefile
@@ -142,7 +142,7 @@ uninstall:
 	rm -rf $(DESTDIR)$(INSTALL_STD_DIR)
 
 opam_install:
-	opam install camlp5 ocamlfind dune --yes
+	opam install ocamlfind dune --yes
 
 haxe_deps:
 	opam pin add haxe . --no-action
diff --git a/extra/github-actions/build-mac.yml b/extra/github-actions/build-mac.yml
index 9098e76fc6c..659f09d58e0 100644
--- a/extra/github-actions/build-mac.yml
+++ b/extra/github-actions/build-mac.yml
@@ -8,8 +8,6 @@
     set -ex
     brew update
     brew bundle --file=tests/Brewfile --no-upgrade
-    cpanm IPC::System::Simple
-    cpanm String::ShellQuote
     curl -L https://github.com/madler/zlib/releases/download/v$ZLIB_VERSION/zlib-$ZLIB_VERSION.tar.gz | tar xz
     cd zlib-$ZLIB_VERSION
     ./configure
diff --git a/extra/github-actions/workflows/main.yml b/extra/github-actions/workflows/main.yml
index cd0495e46a2..cdd462437ca 100644
--- a/extra/github-actions/workflows/main.yml
+++ b/extra/github-actions/workflows/main.yml
@@ -52,7 +52,7 @@ jobs:
           sudo add-apt-repository ppa:avsm/ppa -y # provides OPAM 2
           sudo add-apt-repository ppa:haxe/ocaml -y # provides newer version of mbedtls
           sudo apt-get update -qqy
-          sudo apt-get install -qqy ocaml-nox camlp5 opam libpcre2-dev zlib1g-dev libgtk2.0-dev libmbedtls-dev ninja-build libstring-shellquote-perl libipc-system-simple-perl
+          sudo apt-get install -qqy ocaml-nox opam libpcre2-dev zlib1g-dev libgtk2.0-dev libmbedtls-dev ninja-build
 
       - name: Install OCaml libraries
         if: steps.cache-opam.outputs.cache-hit != 'true'
diff --git a/tests/Brewfile b/tests/Brewfile
index ac7f3f61b01..7b0a1e40f15 100644
--- a/tests/Brewfile
+++ b/tests/Brewfile
@@ -3,4 +3,3 @@ brew "ninja"
 brew "cmake"
 brew "pkg-config"
 brew "libunistring"
-brew "cpanminus"
\ No newline at end of file