diff --git a/app/overlays/tgl-h/ipc4_overlay.conf b/app/overlays/tgl-h/ipc4_overlay.conf
deleted file mode 100644
index fc4739a27eb6..000000000000
--- a/app/overlays/tgl-h/ipc4_overlay.conf
+++ /dev/null
@@ -1,5 +0,0 @@
-# This file is empty as IPC4 now the default.
-#
-# The file is kept around for the time being to
-# smoothen the transition for users who use
-# this overlay file in their build scripts.
diff --git a/app/overlays/tgl/ipc4_overlay.conf b/app/overlays/tgl/ipc4_overlay.conf
deleted file mode 100644
index fc4739a27eb6..000000000000
--- a/app/overlays/tgl/ipc4_overlay.conf
+++ /dev/null
@@ -1,5 +0,0 @@
-# This file is empty as IPC4 now the default.
-#
-# The file is kept around for the time being to
-# smoothen the transition for users who use
-# this overlay file in their build scripts.