diff --git a/.github/actions/install_trusted_signing/action.yml b/.github/actions/install_trusted_signing/action.yml
deleted file mode 100644
index a99ff08eb1..0000000000
--- a/.github/actions/install_trusted_signing/action.yml
+++ /dev/null
@@ -1,64 +0,0 @@
-name: "Trusted Signing on Windows"
-description: "Install trusted signing on Windows."
-
-# Modified from https://github.com/Azure/trusted-signing-action
-runs:
-  using: "composite"
-  steps:
-    - name: Set variables
-      id: set-variables
-      shell: "pwsh"
-      run: |
-        $defaultPath = $env:PSModulePath -split ';' | Select-Object -First 1
-        "PSMODULEPATH=$defaultPath" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-
-        "TRUSTED_SIGNING_MODULE_VERSION=0.5.3" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-        "BUILD_TOOLS_NUGET_VERSION=10.0.22621.3233" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-        "TRUSTED_SIGNING_NUGET_VERSION=1.0.53" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-        "DOTNET_SIGNCLI_NUGET_VERSION=0.9.1-beta.24469.1" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
-
-    - name: Cache TrustedSigning PowerShell module
-      id: cache-module
-      uses: actions/cache@v4
-      env:
-        cache-name: cache-module
-      with:
-        path: ${{ steps.set-variables.outputs.PSMODULEPATH }}\TrustedSigning\${{ steps.set-variables.outputs.TRUSTED_SIGNING_MODULE_VERSION }}
-        key: TrustedSigning-${{ steps.set-variables.outputs.TRUSTED_SIGNING_MODULE_VERSION }}
-      if: ${{ inputs.cache-dependencies == 'true' }}
-
-    - name: Cache Microsoft.Windows.SDK.BuildTools NuGet package
-      id: cache-buildtools
-      uses: actions/cache@v4
-      env:
-        cache-name: cache-buildtools
-      with:
-        path: ~\AppData\Local\TrustedSigning\Microsoft.Windows.SDK.BuildTools\Microsoft.Windows.SDK.BuildTools.${{ steps.set-variables.outputs.BUILD_TOOLS_NUGET_VERSION }}
-        key: Microsoft.Windows.SDK.BuildTools-${{ steps.set-variables.outputs.BUILD_TOOLS_NUGET_VERSION }}
-      if: ${{ inputs.cache-dependencies == 'true' }}
-
-    - name: Cache Microsoft.Trusted.Signing.Client NuGet package
-      id: cache-tsclient
-      uses: actions/cache@v4
-      env:
-        cache-name: cache-tsclient
-      with:
-        path: ~\AppData\Local\TrustedSigning\Microsoft.Trusted.Signing.Client\Microsoft.Trusted.Signing.Client.${{ steps.set-variables.outputs.TRUSTED_SIGNING_NUGET_VERSION }}
-        key: Microsoft.Trusted.Signing.Client-${{ steps.set-variables.outputs.TRUSTED_SIGNING_NUGET_VERSION }}
-      if: ${{ inputs.cache-dependencies == 'true' }}
-
-    - name: Cache SignCli NuGet package
-      id: cache-signcli
-      uses: actions/cache@v4
-      env:
-        cache-name: cache-signcli
-      with:
-        path: ~\AppData\Local\TrustedSigning\sign\sign.${{ steps.set-variables.outputs.DOTNET_SIGNCLI_NUGET_VERSION }}
-        key: SignCli-${{ steps.set-variables.outputs.DOTNET_SIGNCLI_NUGET_VERSION }}
-      if: ${{ inputs.cache-dependencies == 'true' }}
-
-    - name: Install Trusted Signing module
-      shell: "pwsh"
-      run: |
-        Install-Module -Name TrustedSigning -RequiredVersion ${{ steps.set-variables.outputs.TRUSTED_SIGNING_MODULE_VERSION }} -Force -Repository PSGallery
-      if: ${{ inputs.cache-dependencies != 'true' || steps.cache-module.outputs.cache-hit != 'true' }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ea30df1cc1..11ff9a4acc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -785,9 +785,6 @@ jobs:
           # This exports RELEASE_CHANNEL into env (GITHUB_ENV)
           script/determine-release-channel.ps1
 
-      - name: Install trusted signing
-        uses: ./.github/actions/install_trusted_signing
-
       - name: Build Zed installer
         working-directory: ${{ env.ZED_WORKSPACE }}
         run: script/bundle-windows.ps1
diff --git a/.github/workflows/release_nightly.yml b/.github/workflows/release_nightly.yml
index df9f6ef40f..4de22b05f2 100644
--- a/.github/workflows/release_nightly.yml
+++ b/.github/workflows/release_nightly.yml
@@ -276,9 +276,6 @@ jobs:
           Write-Host "Publishing version: $version on release channel nightly"
           "nightly" | Set-Content -Path "crates/zed/RELEASE_CHANNEL"
 
-      - name: Install trusted signing
-        uses: ./.github/actions/install_trusted_signing
-
       - name: Build Zed installer
         working-directory: ${{ env.ZED_WORKSPACE }}
         run: script/bundle-windows.ps1