diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1d12522..e1b9c19 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,6 @@ jobs:
           activate-environment: zarp
           environment-file: install/environment.yml
           auto-activate-base: false
-          conda-remove-defaults: true
 
       - name: Update zarp env with root. packages
         run: mamba env update -p $CONDA_PREFIX -f install/environment.root.yml
@@ -81,7 +80,6 @@ jobs:
           activate-environment: zarp
           environment-file: install/environment.yml
           auto-activate-base: false
-          conda-remove-defaults: true
 
       - name: Update zarp env with root. packages
         run: |
@@ -127,7 +125,6 @@ jobs:
           activate-environment: zarp
           environment-file: install/environment.yml
           auto-activate-base: false
-          conda-remove-defaults: true
 
       - name: Update zarp env with root. packages
         run: mamba env update -p $CONDA_PREFIX -f install/environment.root.yml
@@ -165,7 +162,6 @@ jobs:
           activate-environment: zarp
           environment-file: install/environment.yml
           auto-activate-base: false
-          conda-remove-defaults: true
 
       - name: Update zarp env with root. packages
         run: mamba env update -p $CONDA_PREFIX -f install/environment.root.yml
@@ -203,7 +199,6 @@ jobs:
           activate-environment: zarp
           environment-file: install/environment.yml
           auto-activate-base: false
-          conda-remove-defaults: true
 
       - name: Update zarp env with dev. packages
         run: mamba env update -p $CONDA_PREFIX -f install/environment.dev.yml
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index bb90f8d..3abccad 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -28,7 +28,6 @@ jobs:
           activate-environment: zarp
           environment-file: install/environment.yml
           auto-activate-base: false
-          conda-remove-defaults: true
 
       - name: Update zarp env with root. packages
         run: mamba env update -p $CONDA_PREFIX -f install/environment.root.yml