diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8cf772e7..d4ab8bca 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -62,7 +62,7 @@ jobs:
           (Get-Content -Path VERSION) -replace '\+', '_' | Set-Content -Path VERSION
           make build-all
           # GH requires all files to have different names, so add version/arch to differentiate
-          foreach($Arch in "amd64", "arm64","386") {
+          foreach($Arch in "amd64", "arm64") {
             Move-Item output\$Arch\windows_exporter.exe output\windows_exporter-$Version-$Arch.exe
           }
 
@@ -80,7 +80,7 @@ jobs:
           $TagName = $env:GITHUB_REF -replace 'refs/tags/', ''
           # The MSI version is not semver compliant, so just take the numerical parts
           $MSIVersion = $TagName -replace '^v?([0-9\.]+).*$','$1'
-          foreach($Arch in "amd64", "arm64", "386") {
+          foreach($Arch in "amd64", "arm64") {
             Write-Verbose "Building windows_exporter $MSIVersion msi for $Arch"
             .\installer\build.ps1 -PathToExecutable .\output\windows_exporter-$BuildVersion-$Arch.exe -Version $MSIVersion -Arch "$Arch"
             Move-Item installer\windows_exporter-$MSIVersion-$Arch.msi output\
diff --git a/Makefile b/Makefile
index 7a603e2d..3e429802 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,6 @@ crossbuild:
 	# on Windows, so for now, we'll just build twice
 	GOARCH=amd64 promu build --prefix=output/amd64
 	GOARCH=arm64 promu build --prefix=output/arm64
-	GOARCH=386   promu build --prefix=output/386
 
 build-image: crossbuild
 	$(DOCKER) build --build-arg=BASE=$(BASE_IMAGE):$(OS) -f Dockerfile -t $(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(VERSION)-$(OS) .
diff --git a/installer/build.ps1 b/installer/build.ps1
index 2b258392..1c2bd769 100644
--- a/installer/build.ps1
+++ b/installer/build.ps1
@@ -5,7 +5,7 @@ Param (
     [Parameter(Mandatory = $true)]
     [String] $Version,
     [Parameter(Mandatory = $false)]
-    [ValidateSet("amd64", "arm64", "386")]
+    [ValidateSet("amd64", "arm64")]
     [String] $Arch = "amd64"
 )
 $ErrorActionPreference = "Stop"
@@ -23,7 +23,7 @@ mkdir -Force Work | Out-Null
 Copy-Item -Force $PathToExecutable Work/windows_exporter.exe
 
 Write-Verbose "Creating windows_exporter-${Version}-${Arch}.msi"
-$wixArch = @{"amd64" = "x64"; "arm64" = "arm64"; "386" = "x86"}[$Arch]
+$wixArch = @{"amd64" = "x64"; "arm64" = "arm64"}[$Arch]
 $wixOpts = "-ext WixFirewallExtension -ext WixUtilExtension"
 Invoke-Expression "wix build -arch $wixArch -o .\windows_exporter-$($Version)-$($Arch).msi .\windows_exporter.wxs -d Version=$($Version) -ext WixToolset.Firewall.wixext -ext WixToolset.Util.wixext"