diff --git a/zircon/system/ulib/launchpad/include/launchpad/launchpad.h b/zircon/system/ulib/launchpad/include/launchpad/launchpad.h
index 25e5611..d6e566f 100644
--- a/zircon/system/ulib/launchpad/include/launchpad/launchpad.h
+++ b/zircon/system/ulib/launchpad/include/launchpad/launchpad.h
@@ -73,14 +73,6 @@
                                        const char* name,
                                        launchpad_t** result);
 
-// Create a new launchpad for a given existing process handle and
-// its root VMAR handle.  On success, the launchpad takes ownership
-// of both handles.
-zx_status_t launchpad_create_with_process(zx_handle_t proc,
-                                          zx_handle_t vmar,
-                                          launchpad_t** result);
-
-
 // LAUNCHING or ABORTING:
 // ----------------------------------------------------------------
 
diff --git a/zircon/system/ulib/launchpad/launchpad.c b/zircon/system/ulib/launchpad/launchpad.c
index b57b6ee..c8dfb4a 100644
--- a/zircon/system/ulib/launchpad/launchpad.c
+++ b/zircon/system/ulib/launchpad/launchpad.c
@@ -118,9 +118,12 @@
     free(lp);
 }
 
-zx_status_t launchpad_create_with_process(zx_handle_t proc,
-                                          zx_handle_t vmar,
-                                          launchpad_t** result) {
+// Create a new launchpad for a given existing process handle and
+// its root VMAR handle.  On success, the launchpad takes ownership
+// of both handles.
+static zx_status_t launchpad_create_with_process(zx_handle_t proc,
+                                                 zx_handle_t vmar,
+                                                 launchpad_t** result) {
     launchpad_t* lp = calloc(1, sizeof(*lp));
     if (lp == NULL) {
         lp = &invalid_launchpad;