diff --git a/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/Target_sun_net_sdp_SdpSupport.java b/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/Target_sun_net_sdp_SdpSupport.java
new file mode 100644
index 000000000000..ad1f95754609
--- /dev/null
+++ b/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/Target_sun_net_sdp_SdpSupport.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2025, 2025, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.svm.core.windows;
+
+import java.io.IOException;
+
+import com.oracle.svm.core.annotate.Delete;
+import com.oracle.svm.core.annotate.TargetClass;
+
+/**
+ * Native functions don't exist on Windows.
+ */
+@TargetClass(className = "sun.net.sdp.SdpSupport")
+final class Target_sun_net_sdp_SdpSupport {
+    @Delete
+    private static native int create0() throws IOException;
+
+    @Delete
+    private static native void convert0(int fd) throws IOException;
+}
diff --git a/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/Target_sun_nio_ch_IOUtil.java b/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/Target_sun_nio_ch_IOUtil.java
new file mode 100644
index 000000000000..e824556872a9
--- /dev/null
+++ b/substratevm/src/com.oracle.svm.core.windows/src/com/oracle/svm/core/windows/Target_sun_nio_ch_IOUtil.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2025, 2025, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.svm.core.windows;
+
+import java.io.IOException;
+
+import com.oracle.svm.core.annotate.Delete;
+import com.oracle.svm.core.annotate.TargetClass;
+
+/**
+ * Native functions don't exist on Windows.
+ */
+@TargetClass(className = "sun.nio.ch.IOUtil")
+final class Target_sun_nio_ch_IOUtil {
+    @Delete
+    static native int drain1(int fd) throws IOException;
+
+    @Delete
+    static native int fdLimit();
+
+    @Delete
+    static native long makePipe(boolean blocking) throws IOException;
+}