diff --git a/.github/actions/setup-backend/action.yml b/.github/actions/setup-backend/action.yml
index 74f8842330a..c1134f7c74a 100644
--- a/.github/actions/setup-backend/action.yml
+++ b/.github/actions/setup-backend/action.yml
@@ -32,8 +32,6 @@ runs:
         elif [ "$INPUT_PYTHON_VERSION" = "next" ]; then
           # currently disabled in GHA matrixes because of library compatibility issues
           RESOLVED_VERSION="3.12"
-        elif [ "$INPUT_PYTHON_VERSION" = "previous" ]; then
-          RESOLVED_VERSION="3.10"
         elif printf '%s' "$INPUT_PYTHON_VERSION" | grep -Eq '^[0-9]+\.[0-9]+(\.[0-9]+)?$'; then
           RESOLVED_VERSION="$INPUT_PYTHON_VERSION"
         else
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 9901a92fd13..11ad48f4b3e 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -30,7 +30,7 @@ jobs:
         # Run the full version spread on push (master/release) and nightly,
         # but only the current version on PRs — lint/format/type results
         # rarely differ across patch versions, so 3x per PR is wasteful.
-        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["current"]') || fromJSON('["current", "previous", "next"]') }}
+        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["current"]') || fromJSON('["current", "next"]') }}
     steps:
       - name: "Checkout ${{ github.ref }} ( ${{ github.sha }} )"
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
diff --git a/.github/workflows/superset-extensions-cli.yml b/.github/workflows/superset-extensions-cli.yml
index 476b43e3fa9..91ace6eed3b 100644
--- a/.github/workflows/superset-extensions-cli.yml
+++ b/.github/workflows/superset-extensions-cli.yml
@@ -25,7 +25,7 @@ jobs:
       matrix:
         # Full version spread on push (master/release) + nightly; current only
         # on PRs to cut runner cost (cross-version breaks are caught at merge).
-        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["current"]') || fromJSON('["previous", "current", "next"]') }}
+        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["current"]') || fromJSON('["current", "next"]') }}
     defaults:
       run:
         working-directory: superset-extensions-cli
diff --git a/.github/workflows/superset-python-integrationtest.yml b/.github/workflows/superset-python-integrationtest.yml
index 46f5a961da8..8fb465eb314 100644
--- a/.github/workflows/superset-python-integrationtest.yml
+++ b/.github/workflows/superset-python-integrationtest.yml
@@ -135,7 +135,7 @@ jobs:
       matrix:
         # Full version spread on push (master/release) + nightly; current only
         # on PRs to cut runner cost (cross-version breaks are caught at merge).
-        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["current"]') || fromJSON('["current", "previous", "next"]') }}
+        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["current"]') || fromJSON('["current", "next"]') }}
     env:
       PYTHONPATH: ${{ github.workspace }}
       SUPERSET_CONFIG: tests.integration_tests.superset_test_config
diff --git a/.github/workflows/superset-python-unittest.yml b/.github/workflows/superset-python-unittest.yml
index b502bfca2af..056d959802f 100644
--- a/.github/workflows/superset-python-unittest.yml
+++ b/.github/workflows/superset-python-unittest.yml
@@ -50,7 +50,7 @@ jobs:
       matrix:
         # Full version spread on push (master/release) + nightly; current only
         # on PRs to cut runner cost (cross-version breaks are caught at merge).
-        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["current"]') || fromJSON('["previous", "current", "next"]') }}
+        python-version: ${{ github.event_name == 'pull_request' && fromJSON('["current"]') || fromJSON('["current", "next"]') }}
     env:
       PYTHONPATH: ${{ github.workspace }}
       # Promotes the SQLAlchemy 2.0 deprecation warnings already locked in as