diff --git a/libcutils/include/cutils/sockets.h b/libcutils/include/cutils/sockets.h
index b24468b..285f150 100644
--- a/libcutils/include/cutils/sockets.h
+++ b/libcutils/include/cutils/sockets.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef __CUTILS_SOCKETS_H
-#define __CUTILS_SOCKETS_H
+#pragma once
 
 #include <errno.h>
 #include <limits.h>
@@ -141,19 +140,6 @@
                             const cutils_socket_buffer_t* buffers,
                             size_t num_buffers);
 
-/*
- * socket_peer_is_trusted - Takes a socket which is presumed to be a
- * connected local socket (e.g. AF_LOCAL) and returns whether the peer
- * (the userid that owns the process on the other end of that socket)
- * is one of the two trusted userids, root or shell.
- *
- * Note: This only works as advertised on the Android OS and always
- * just returns true when called on other operating systems.
- */
-extern bool socket_peer_is_trusted(int fd);
-
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __CUTILS_SOCKETS_H */
diff --git a/libcutils/sockets_unix.cpp b/libcutils/sockets_unix.cpp
index 0cb8a4d..2248817 100644
--- a/libcutils/sockets_unix.cpp
+++ b/libcutils/sockets_unix.cpp
@@ -32,34 +32,6 @@
 
 #include "android_get_control_env.h"
 
-#if defined(__ANDROID__)
-/* For the socket trust (credentials) check */
-#include <private/android_filesystem_config.h>
-#define __android_unused
-#else
-#define __android_unused __attribute__((__unused__))
-#endif
-
-bool socket_peer_is_trusted(int fd __android_unused) {
-#if defined(__ANDROID__)
-    ucred cr;
-    socklen_t len = sizeof(cr);
-    int n = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cr, &len);
-
-    if (n != 0) {
-        ALOGE("could not get socket credentials: %s\n", strerror(errno));
-        return false;
-    }
-
-    if ((cr.uid != AID_ROOT) && (cr.uid != AID_SHELL)) {
-        ALOGE("untrusted userid on other end of socket: userid %d\n", cr.uid);
-        return false;
-    }
-#endif
-
-    return true;
-}
-
 int socket_close(int sock) {
     return close(sock);
 }