diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index ae0d4a1d72..ca66aebfc1 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -68,22 +68,17 @@ jobs:
       - name: "data cache"
         uses: ./.github/workflows/composite/iris-data-cache
         with:
-          cache_build: 2
+          cache_build: 1
           env_name: ${{ env.ENV_NAME }}
           version: ${{ env.IRIS_TEST_DATA_VERSION }}
 
       - name: "conda package cache"
         uses: ./.github/workflows/composite/conda-pkg-cache
         with:
-          cache_build: 2
+          cache_build: 1
           cache_period: ${{ env.CACHE_PERIOD }}
           env_name: ${{ env.ENV_NAME }}
 
-      - name: "conda info"
-        run: |
-          conda info
-          conda list
-
       - name: "conda install"
         uses: conda-incubator/setup-miniconda@v3
         with:
@@ -91,12 +86,11 @@ jobs:
           channels: conda-forge
           activate-environment: ${{ env.ENV_NAME }}
           auto-update-conda: false
-          use-only-tar-bz2: false
 
       - name: "conda environment cache"
         uses: ./.github/workflows/composite/conda-env-cache
         with:
-          cache_build: 3
+          cache_build: 1
           cache_period: ${{ env.CACHE_PERIOD }}
           env_name: ${{ env.ENV_NAME }}
           install_packages: "cartopy nox pip"
@@ -109,14 +103,14 @@ jobs:
       - name: "cartopy cache"
         uses: ./.github/workflows/composite/cartopy-cache
         with:
-          cache_build: 2
+          cache_build: 1
           cache_period: ${{ env.CACHE_PERIOD }}
           env_name: ${{ env.ENV_NAME }}
 
       - name: "nox cache"
         uses: ./.github/workflows/composite/nox-cache
         with:
-          cache_build: 4
+          cache_build: 1
           env_name: ${{ env.ENV_NAME }}
           lock_file: ${{ env.LOCK_FILE }}