diff --git a/lib/libsolcompat/zu.c b/lib/libsolcompat/zu.c
deleted file mode 100644
index 31dbf45bf9..0000000000
--- a/lib/libsolcompat/zu.c
+++ /dev/null
@@ -1,4 +0,0 @@
-int main(void)
-{
-	return 0;
-}
diff --git a/lib/libumem/zu.c b/lib/libumem/zu.c
deleted file mode 100644
index 31dbf45bf9..0000000000
--- a/lib/libumem/zu.c
+++ /dev/null
@@ -1,4 +0,0 @@
-int main(void)
-{
-	return 0;
-}
diff --git a/lib/libuutil/zu.c b/lib/libuutil/zu.c
deleted file mode 100644
index 31dbf45bf9..0000000000
--- a/lib/libuutil/zu.c
+++ /dev/null
@@ -1,4 +0,0 @@
-int main(void)
-{
-	return 0;
-}
diff --git a/lib/libzfs/zu.c b/lib/libzfs/zu.c
deleted file mode 100644
index 31dbf45bf9..0000000000
--- a/lib/libzfs/zu.c
+++ /dev/null
@@ -1,4 +0,0 @@
-int main(void)
-{
-	return 0;
-}