diff --git a/25/jdk/windows/nanoserver-1809/Dockerfile b/25/jdk/windows/nanoserver-1809/Dockerfile
deleted file mode 100644
index 38340b18..00000000
--- a/25/jdk/windows/nanoserver-1809/Dockerfile
+++ /dev/null
@@ -1,33 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM mcr.microsoft.com/windows/nanoserver:1809
-
-SHELL ["cmd", "/s", "/c"]
-
-ENV JAVA_HOME C:\\openjdk-25
-# "ERROR: Access to the registry path is denied."
-USER ContainerAdministrator
-RUN echo Updating PATH: %JAVA_HOME%\bin;%PATH% \
-	&& setx /M PATH %JAVA_HOME%\bin;%PATH% \
-	&& echo Complete.
-USER ContainerUser
-
-# https://jdk.java.net/
-# >
-# > Java Development Kit builds, from Oracle
-# >
-ENV JAVA_VERSION 25-ea+25
-
-COPY --from=openjdk:25-ea-25-jdk-windowsservercore-1809 $JAVA_HOME $JAVA_HOME
-
-RUN echo Verifying install ... \
-	&& echo   javac --version && javac --version \
-	&& echo   java --version && java --version \
-	&& echo Complete.
-
-# "jshell" is an interactive REPL for Java (see https://en.wikipedia.org/wiki/JShell)
-CMD ["jshell"]
diff --git a/25/jdk/windows/windowsservercore-1809/Dockerfile b/25/jdk/windows/windowsservercore-1809/Dockerfile
deleted file mode 100644
index 62238392..00000000
--- a/25/jdk/windows/windowsservercore-1809/Dockerfile
+++ /dev/null
@@ -1,65 +0,0 @@
-#
-# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
-#
-# PLEASE DO NOT EDIT IT DIRECTLY.
-#
-
-FROM mcr.microsoft.com/windows/servercore:1809
-
-# $ProgressPreference: https://github.com/PowerShell/PowerShell/issues/2138#issuecomment-251261324
-SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
-
-# enable TLS 1.2
-# https://docs.microsoft.com/en-us/system-center/vmm/install-tls?view=sc-vmm-1801
-# https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/operations/manage-ssl-protocols-in-ad-fs#enable-tls-12
-RUN Write-Host 'Enabling TLS 1.2 (https://githubengineering.com/crypto-removal-notice/) ...'; \
-	$tls12RegBase = 'HKLM:\\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2'; \
-	if (Test-Path $tls12RegBase) { throw ('"{0}" already exists!' -f $tls12RegBase) }; \
-	New-Item -Path ('{0}/Client' -f $tls12RegBase) -Force; \
-	New-Item -Path ('{0}/Server' -f $tls12RegBase) -Force; \
-	New-ItemProperty -Path ('{0}/Client' -f $tls12RegBase) -Name 'DisabledByDefault' -PropertyType DWORD -Value 0 -Force; \
-	New-ItemProperty -Path ('{0}/Client' -f $tls12RegBase) -Name 'Enabled' -PropertyType DWORD -Value 1 -Force; \
-	New-ItemProperty -Path ('{0}/Server' -f $tls12RegBase) -Name 'DisabledByDefault' -PropertyType DWORD -Value 0 -Force; \
-	New-ItemProperty -Path ('{0}/Server' -f $tls12RegBase) -Name 'Enabled' -PropertyType DWORD -Value 1 -Force; \
-	Write-Host 'Complete.'
-
-ENV JAVA_HOME C:\\openjdk-25
-RUN $newPath = ('{0}\bin;{1}' -f $env:JAVA_HOME, $env:PATH); \
-	Write-Host ('Updating PATH: {0}' -f $newPath); \
-	setx /M PATH $newPath; \
-	Write-Host 'Complete.'
-
-# https://jdk.java.net/
-# >
-# > Java Development Kit builds, from Oracle
-# >
-ENV JAVA_VERSION 25-ea+25
-ENV JAVA_URL https://download.java.net/java/early_access/jdk25/25/GPL/openjdk-25-ea+25_windows-x64_bin.zip
-ENV JAVA_SHA256 a6f3324a22501815f46fc9bd0a1e2e56d83dbad803e421c543644cb50539a8da
-
-RUN Write-Host ('Downloading {0} ...' -f $env:JAVA_URL); \
-	[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; \
-	Invoke-WebRequest -Uri $env:JAVA_URL -OutFile 'openjdk.zip'; \
-	Write-Host ('Verifying sha256 ({0}) ...' -f $env:JAVA_SHA256); \
-	if ((Get-FileHash openjdk.zip -Algorithm sha256).Hash -ne $env:JAVA_SHA256) { \
-		Write-Host 'FAILED!'; \
-		exit 1; \
-	}; \
-	\
-	Write-Host 'Expanding ...'; \
-	New-Item -ItemType Directory -Path C:\temp | Out-Null; \
-	Expand-Archive openjdk.zip -DestinationPath C:\temp; \
-	Move-Item -Path C:\temp\* -Destination $env:JAVA_HOME; \
-	Remove-Item C:\temp; \
-	\
-	Write-Host 'Removing ...'; \
-	Remove-Item openjdk.zip -Force; \
-	\
-	Write-Host 'Verifying install ...'; \
-	Write-Host '  javac --version'; javac --version; \
-	Write-Host '  java --version'; java --version; \
-	\
-	Write-Host 'Complete.'
-
-# "jshell" is an interactive REPL for Java (see https://en.wikipedia.org/wiki/JShell)
-CMD ["jshell"]
diff --git a/versions.json b/versions.json
index 97acb696..18c879e6 100644
--- a/versions.json
+++ b/versions.json
@@ -25,10 +25,8 @@
       "slim-bullseye",
       "windows/windowsservercore-ltsc2025",
       "windows/windowsservercore-ltsc2022",
-      "windows/windowsservercore-1809",
       "windows/nanoserver-ltsc2025",
-      "windows/nanoserver-ltsc2022",
-      "windows/nanoserver-1809"
+      "windows/nanoserver-ltsc2022"
     ],
     "version": "25-ea+25"
   }
diff --git a/versions.sh b/versions.sh
index cff1d31b..9f9d1860 100755
--- a/versions.sh
+++ b/versions.sh
@@ -168,13 +168,11 @@ for version in "${versions[@]}"; do
 					(
 						"ltsc2025",
 						"ltsc2022",
-						"1809",
 						empty
 					| "windows/windowsservercore-" + .),
 					(
 						"ltsc2025",
 						"ltsc2022",
-						"1809",
 						empty
 					| "windows/nanoserver-" + .)
 				else empty end