diff --git a/.github/workflows/ci_build_scm_ubuntu_22.04.yml b/.github/workflows/ci_build_scm_ubuntu_22.04.yml
index e4571b607..7eaabd29d 100644
--- a/.github/workflows/ci_build_scm_ubuntu_22.04.yml
+++ b/.github/workflows/ci_build_scm_ubuntu_22.04.yml
@@ -1,6 +1,6 @@
 name: CI test to build the CCPP-SCM on ubuntu v22.04
 
-on: [pull_request,workflow_dispatch,push]
+on: [pull_request,workflow_dispatch]
 
 jobs:
   build_scm:
@@ -68,20 +68,6 @@ jobs:
         echo "LD_LIBRARY_PATH=/home/runner/ompi-4.1.6/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
         echo "PATH=/home/runner/ompi-4.1.6/bin:$PATH" >> $GITHUB_ENV
 
-    - name: Install open mpi
-      run: |
-        wget https://github.com/open-mpi/ompi/archive/refs/tags/v4.1.6.tar.gz
-        tar -xvf v4.1.6.tar.gz
-        cd ompi-4.1.6
-        ./autogen.pl
-        ./configure --prefix=/home/runner/ompi-4.1.6
-        make -j4
-        make install
-        echo "LD_LIBRARY_PATH=/home/runner/ompi-4.1.6/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
-        echo "PATH=/home/runner/ompi-4.1.6/bin:$PATH" >> $GITHUB_ENV
-        echo "CC=mpicc"  >> $GITHUB_ENV
-        echo "FC=mpif90" >> $GITHUB_ENV
-
     - name: Cache bacio library v2.4.1
       id: cache-bacio-fortran
       uses: actions/cache@v3
diff --git a/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml b/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
index 4d9ce78e6..f5a808aad 100644
--- a/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
+++ b/.github/workflows/ci_build_scm_ubuntu_22.04_nvidia.yml
@@ -1,6 +1,6 @@
 name: CI test to build the CCPP-SCM on ubuntu v22.04
 
-on: [pull_request,workflow_dispatch,push]
+on: [pull_request,workflow_dispatch]
 
 jobs:
 
diff --git a/.github/workflows/ci_run_scm_DEPHY.yml b/.github/workflows/ci_run_scm_DEPHY.yml
index 0097f924a..ebf97c9a1 100644
--- a/.github/workflows/ci_run_scm_DEPHY.yml
+++ b/.github/workflows/ci_run_scm_DEPHY.yml
@@ -1,6 +1,6 @@
 name: CI test to run the SCM with DEPHY v1 data
 
-on: [pull_request,workflow_dispatch,push]
+on: [pull_request,workflow_dispatch]
 
 jobs:
   run-scm-DEPHY:
@@ -51,23 +51,6 @@ jobs:
     - name: Update system packages
       run: sudo apt-get update
 
-    #######################################################################################
-    # Install OpenMPI
-    #######################################################################################
-    - name: Install open mpi
-      run: |
-        wget https://github.com/open-mpi/ompi/archive/refs/tags/v4.1.6.tar.gz
-        tar -xvf v4.1.6.tar.gz
-        cd ompi-4.1.6
-        ./autogen.pl
-        ./configure --prefix=/home/runner/ompi-4.1.6
-        make -j4
-        make install
-        echo "LD_LIBRARY_PATH=/home/runner/ompi-4.1.6/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
-        echo "PATH=/home/runner/ompi-4.1.6/bin:$PATH" >> $GITHUB_ENV
-        echo "CC=mpicc"  >> $GITHUB_ENV
-        echo "FC=mpif90" >> $GITHUB_ENV
-
 
     #######################################################################################
     # Install FORTRAN dependencies
diff --git a/.github/workflows/ci_run_scm_rts.yml b/.github/workflows/ci_run_scm_rts.yml
index c88e7d771..7f44478eb 100644
--- a/.github/workflows/ci_run_scm_rts.yml
+++ b/.github/workflows/ci_run_scm_rts.yml
@@ -1,6 +1,6 @@
 name: CI test to build and run SCM regression tests
 
-on: [pull_request, workflow_dispatch,push]
+on: [pull_request, workflow_dispatch]
 
 jobs:
   run_scm_rts:
@@ -72,25 +72,6 @@ jobs:
         echo "LD_LIBRARY_PATH=/home/runner/ompi-4.1.6/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
         echo "PATH=/home/runner/ompi-4.1.6/bin:$PATH" >> $GITHUB_ENV
 
-    #######################################################################################
-    # OpenMPI setup
-    #######################################################################################
-
-    - name: Install open mpi
-      run: |
-        wget https://github.com/open-mpi/ompi/archive/refs/tags/v4.1.6.tar.gz
-        tar -xvf v4.1.6.tar.gz
-        cd ompi-4.1.6
-        ./autogen.pl
-        ./configure --prefix=/home/runner/ompi-4.1.6
-        make -j4
-        make install
-        echo "LD_LIBRARY_PATH=/home/runner/ompi-4.1.6/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
-        echo "PATH=/home/runner/ompi-4.1.6/bin:$PATH" >> $GITHUB_ENV
-        echo `ls /home/runner/ompi-4.1.6/bin`
-        echo "FC=mpif90" >> $GITHUB_ENV
-        echo "CC=mpicc"  >> $GITHUB_ENV
-
     #######################################################################################
     # Install FORTRAN dependencies
     #######################################################################################
diff --git a/.github/workflows/ci_run_scm_ufs_replay.yml b/.github/workflows/ci_run_scm_ufs_replay.yml
index 4cdfb5ba3..d252e1425 100644
--- a/.github/workflows/ci_run_scm_ufs_replay.yml
+++ b/.github/workflows/ci_run_scm_ufs_replay.yml
@@ -1,6 +1,6 @@
 name: CI test to create SCM UFS-replay cases from UWM regression tests
 
-on: [pull_request,workflow_dispatch,push]
+on: [pull_request,workflow_dispatch]
 
 jobs:
   run_scm_ufs_replay:
diff --git a/.github/workflows/ci_test_docker.yml b/.github/workflows/ci_test_docker.yml
index bb5908d59..3406d8326 100644
--- a/.github/workflows/ci_test_docker.yml
+++ b/.github/workflows/ci_test_docker.yml
@@ -1,6 +1,6 @@
 name: build_test_and_push_docker
 
-on: [pull_request,workflow_dispatch,push]
+on: [pull_request,workflow_dispatch]
 
 env:
   TEST_TAG: dtcenter/ccpp-scm:test