diff --git a/src/platform/windows.cc b/src/platform/windows.cc
index e6f3c4fc0..381f4dc63 100644
--- a/src/platform/windows.cc
+++ b/src/platform/windows.cc
@@ -490,28 +490,6 @@ extern "C"
             wcsncpy_s(buf, bufSize, tmpStr.c_str(), tmpStr.size());
         }
     }
-
-    BOOL has_rdp_service()
-    {
-        PWTS_SESSION_INFOA pInfos;
-        DWORD count;
-        auto rdp = "rdp";
-        auto nrdp = strlen(rdp);
-        auto rdp_or_console = WTSGetActiveConsoleSessionId();
-        if (WTSEnumerateSessionsA(WTS_CURRENT_SERVER_HANDLE, NULL, 1, &pInfos, &count))
-        {
-            for (DWORD i = 0; i < count; i++)
-            {
-                auto info = pInfos[i];
-                if (!strnicmp(info.pWinStationName, rdp, nrdp))
-                {
-                    return TRUE;
-                }
-            }
-            WTSFreeMemory(pInfos);
-        }
-        return FALSE;
-    }
 } // end of extern "C"
 
 // below copied from https://github.com/TigerVNC/tigervnc/blob/master/vncviewer/win32.c
diff --git a/src/platform/windows.rs b/src/platform/windows.rs
index 9ffbf1d62..9679a7a02 100644
--- a/src/platform/windows.rs
+++ b/src/platform/windows.rs
@@ -440,7 +440,6 @@ pub fn start_os_service() {
 const SERVICE_TYPE: ServiceType = ServiceType::OWN_PROCESS;
 
 extern "C" {
-    fn has_rdp_service() -> BOOL;
     fn get_current_session(rdp: BOOL) -> DWORD;
     fn LaunchProcessWin(cmd: *const u16, session_id: DWORD, as_user: BOOL) -> HANDLE;
     fn GetSessionUserTokenWin(lphUserToken: LPHANDLE, dwSessionId: DWORD, as_user: BOOL) -> BOOL;
@@ -1478,10 +1477,6 @@ pub fn bootstrap() {
     }
 }
 
-pub fn is_rdp_service_open() -> bool {
-    unsafe { has_rdp_service() == TRUE }
-}
-
 pub fn create_shortcut(id: &str) -> ResultType<()> {
     let exe = std::env::current_exe()?.to_str().unwrap_or("").to_owned();
     let shortcut = write_cmds(