diff --git a/ipc/chromium/src/base/win_util.cc b/ipc/chromium/src/base/win_util.cc
index 5adde21f65e0..abde2fa97247 100644
--- a/ipc/chromium/src/base/win_util.cc
+++ b/ipc/chromium/src/base/win_util.cc
@@ -93,76 +93,6 @@ void GetServicePackLevel(int* major, int* minor) {
   *minor = service_pack_minor;
 }
 
-bool AddAccessToKernelObject(HANDLE handle, WELL_KNOWN_SID_TYPE known_sid,
-                             ACCESS_MASK access) {
-  PSECURITY_DESCRIPTOR descriptor = NULL;
-  PACL old_dacl = NULL;
-  PACL new_dacl = NULL;
-
-  if (ERROR_SUCCESS != GetSecurityInfo(handle, SE_KERNEL_OBJECT,
-            DACL_SECURITY_INFORMATION, NULL, NULL, &old_dacl, NULL,
-            &descriptor))
-    return false;
-
-  BYTE sid[SECURITY_MAX_SID_SIZE] = {0};
-  DWORD size_sid = SECURITY_MAX_SID_SIZE;
-
-  if (known_sid == WinSelfSid) {
-    // We hijack WinSelfSid when we want to add the current user instead of
-    // a known sid.
-    HANDLE token = NULL;
-    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ALL_ACCESS, &token)) {
-      LocalFree(descriptor);
-      return false;
-    }
-
-    DWORD size = sizeof(TOKEN_USER) + size_sid;
-    TOKEN_USER* token_user = reinterpret_cast<TOKEN_USER*>(new BYTE[size]);
-    scoped_ptr<TOKEN_USER> token_user_ptr(token_user);
-    BOOL ret = GetTokenInformation(token, TokenUser, token_user, size, &size);
-
-    CloseHandle(token);
-
-    if (!ret) {
-      LocalFree(descriptor);
-      return false;
-    }
-    memcpy(sid, token_user->User.Sid, size_sid);
-  } else {
-    if (!CreateWellKnownSid(known_sid , NULL, sid, &size_sid)) {
-      LocalFree(descriptor);
-      return false;
-    }
-  }
-
-  EXPLICIT_ACCESS new_access = {0};
-  new_access.grfAccessMode = GRANT_ACCESS;
-  new_access.grfAccessPermissions = access;
-  new_access.grfInheritance = NO_INHERITANCE;
-
-  new_access.Trustee.pMultipleTrustee = NULL;
-  new_access.Trustee.MultipleTrusteeOperation = NO_MULTIPLE_TRUSTEE;
-  new_access.Trustee.TrusteeForm = TRUSTEE_IS_SID;
-  new_access.Trustee.ptstrName = reinterpret_cast<LPWSTR>(&sid);
-
-  if (ERROR_SUCCESS != SetEntriesInAcl(1, &new_access, old_dacl, &new_dacl)) {
-    LocalFree(descriptor);
-    return false;
-  }
-
-  DWORD result = SetSecurityInfo(handle, SE_KERNEL_OBJECT,
-                                 DACL_SECURITY_INFORMATION, NULL, NULL,
-                                 new_dacl, NULL);
-
-  LocalFree(new_dacl);
-  LocalFree(descriptor);
-
-  if (ERROR_SUCCESS != result)
-    return false;
-
-  return true;
-}
-
 bool IsShiftPressed() {
   return (::GetKeyState(VK_SHIFT) & 0x80) == 0x80;
 }
diff --git a/ipc/chromium/src/base/win_util.h b/ipc/chromium/src/base/win_util.h
index a771bd249406..2dc2c0ee2ff0 100644
--- a/ipc/chromium/src/base/win_util.h
+++ b/ipc/chromium/src/base/win_util.h
@@ -35,13 +35,6 @@ WinVersion GetWinVersion();
 // Returns the major and minor version of the service pack installed.
 void GetServicePackLevel(int* major, int* minor);
 
-// Adds an ACE in the DACL of the object referenced by handle. The ACE is
-// granting |access| to the user |known_sid|.
-// If |known_sid| is WinSelfSid, the sid of the current user will be added to
-// the DACL.
-bool AddAccessToKernelObject(HANDLE handle, WELL_KNOWN_SID_TYPE known_sid,
-                             ACCESS_MASK access);
-
 // Returns true if the shift key is currently pressed.
 bool IsShiftPressed();