diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2d4afe3d4818e..cff6a4e9354bc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,6 +32,7 @@ jobs:
       CCACHE_BASEDIR: ${{ github.workspace }}
       CCACHE_DIR: ${{ github.workspace }}/.ccache
       CCACHE_MAXSIZE: 500M
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     strategy:
       fail-fast: false
       matrix:
@@ -86,6 +87,18 @@ jobs:
           name: mpv-${{ matrix.target }}
           path: mpv-git-*.zip
 
+      - name: Cleanup
+        run: |
+          gh extension install actions/gh-actions-cache
+          keys=$(gh actions-cache list --key ${{ matrix.target }}- -R ${{ github.repository }} -B ${{ github.ref }} | cut -f 1)
+          set +e
+          echo "Deleting caches..."
+          for key in $keys
+          do
+              echo $key
+              gh actions-cache delete $key -R ${{ github.repository }} -B ${{ github.ref }} --confirm
+          done
+
   win32:
     runs-on: windows-latest
     env:
@@ -98,6 +111,7 @@ jobs:
       CCACHE_BASEDIR: ${{ github.workspace }}
       CCACHE_DIR: "${{ github.workspace }}\\.ccache"
       CCACHE_MAXSIZE: 500M
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Disable autocrlf
         run: |
@@ -171,6 +185,18 @@ jobs:
             build/vulkan-*.dll
             !build/mpv.lib
 
+      - name: Cleanup
+        run: |
+          gh extension install actions/gh-actions-cache
+          keys=$(gh actions-cache list -k x86_64-windows-msvc- -R ${{ github.repository }} -B ${{ github.ref }} | cut -f 1)
+          set +e
+          echo "Deleting caches..."
+          for key in $keys
+          do
+              echo $key
+              gh actions-cache delete $key -R ${{ github.repository }} -B ${{ github.ref }} --confirm
+          done
+
   macos:
     runs-on: ${{ matrix.os }}
     strategy: