diff --git a/.lgtm.yml b/.lgtm.yml
index 5eb24f4a4d..eb17bd52de 100644
--- a/.lgtm.yml
+++ b/.lgtm.yml
@@ -5,16 +5,10 @@ extraction:
   cpp:
     prepare:
       packages:
-        - python3-pip
-        - python3-setuptools
-        - python3-wheel
         - libpwquality-dev
         - libfdisk-dev
         - libp11-kit-dev
         - libssl-dev
-    after_prepare:
-      - pip3 install meson
-      - export PATH="$HOME/.local/bin/:$PATH"
     before_index:
       # /tmp has `noexec` set in the LGTM infra which breaks meson's
       # compilation checks. Let's temporarily override TMPDIR to /var/tmp which