diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 697ceb6d20a..52e9bf70a41 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -55,16 +55,9 @@ jobs:
         include:
           - os: ubuntu-18.04
             php: 7.2
-            # Need to disable both redis and memcached (both are optional) in order to keep igbinary installed.
-            # (there are dependencies that become broken if we just switch the igbinary version).
-            # Need to do this for php 7.2 because of a bug with current default igbinary
-            # versions used by GHA being >= 3.2.2 and <= 3.2.4 (buggy ones).
-            # TODO: MDL-72399 - Revert this patch once igbinary 3.2.5 or up is the default @ GHA.
-            extensions: :redis, :memcached, igbinary-3.2.6
             db: mysqli
           - os: ubuntu-18.04
             php: 7.4
-            extensions:
             db: pgsql
 
     steps:
@@ -95,7 +88,6 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          extensions: ${{ matrix.extensions }}
           coverage: none
 
       - name: Checking out code from ${{ env.GITHUB_REF_SLUG }}