The move is thought to have been a part of a cultural whitewash to defeat the influence of Islam.
The Nanguan Mosque in Yinchuan, capital of Ningxia province, has had its shining green domes and golden minarets taken off.
Pictures shared online by Christina Scott, the UK's deputy head of mission in China, show that the mosque has been removed from its colour and decorations.
The word 'Nanguan Mosque' is still on the building, written in Chinese.
Ms Scott wrote of the photos: 'TripAdvisor suggested the Nanguan Mosque in Yinchuan well worth a visit.
WATCH: NFL LEGEND LAWRENCE TAYLOR ENDORSES TRUMP FOR PRESIDENT
'Only this is what it looks now, after 'renovations.' Domes, minarets, all gone. No visitors allowed either, of course. So depressing.'
A similar axing of Arab-style domes and details from mosques is being seen in Linxia, a city known as 'Little Mecca' in the neighboring Gansu region.
WATCH: THE BEST KAMALA IMPRESSION AT A TRUMP RALLY
The measures appear as state campaigns against religion have increased since Xi Jinping became General Secretary of the Chinese Communist Party.
China's ruling Communist Party has carried out a general clampdown on all religious institutions in the past couple of years.
DEBATE DRAMA: WILL TRUMP BAIL? 'VIEW' HOST SAYS ‘COUNT ON IT,’ DESPITE CONFIRMED DATES
Relevant directives involved bulldozing churches and mosques, barring Tibetan children from Buddhist religious studies and imprisoning more than a million people of Islamic ethnic minorities in the so-called 're-education' camps.
President Xi Jinping has directed that all religions must 'Sinicise' to guarantee they are loyal to the officially atheistic party.
WHISTLEBLOWER ALERT: INSIDER CONFESSES EPA'S FATEFUL ERRORS AMID TOXIC CHAOS IN EAST PALESTINE
Late last year, the Chinese central government directed its censors to review and edit all translated versions of classic religious books to guarantee that their messages display the principles of Socialism.
The new editions must not include any content that goes against the views of the Communist Party, according to the country's top officials on religious matters.
DECEIVED AND DEPLOYED: HOW HUNDREDS OF SRI LANKANS WERE TRICKED INTO FIGHTING RUSSIA'S WAR
In China, mosques and other religious establishments have to be registered with the government before they can work legally.
Each region has its own religious associations, which fall under the command of a local ethnic and religious affairs bureau.
WATCH: RAGING ANTI-SEMITIC IMAM ON VIDEO FOR THE WORLD TO SEE...
BILLIONAIRE'S PLAYBOOK: HOW SOROS-BACKED GROUPS PLAN TO MUZZLE YOUR VOICE
SEE ANTONY BLINKEN'S ‘ROCKIN’ RESPONSE TO UKRAINIAN CONFLICT
RUDY GIULIANI PLAYS HIDE AND SEEK: EVADING ARIZONA'S LEGAL GRASP AMIDST MULTIPLE LEGAL NIGHTMARES
WHY DOES A HUGE CALIFORNIA DETENTION CENTER SIT EMPTY WHILE BORDER CRISIS EXPLODES?
HOLLYWOOD SUPERSTAR'S PROFANITY-LACED TRUMP ATTACK STEALS THE SHOW ON 'THE VIEW' (WATCH HERE)
WATCH: NFL KICKER STIRS MASSIVE OUTRAGE WITH REMARKS AT KANSAS COLLEGE COMMENCEMENT
NEW CHICAGO MAYOR PRO TEMPORE STEPS IN AS "SUPERMAYOR" FACES EVEN MORE CORRUPTION ALLEGATIONS...
SLOVAKIAN PM SHOT IN BROAD DAYLIGHT, CHAOS CONTINUES TO UNFOLD
TRUMP ACQUITTAL COULD SEND STORMY DANIELS PACKING, ACCORDING TO PORN STAR'S HUSBAND
TOO FUNNY TO MISS: COMEDIAN BILL BURR RIPS BILL MAHER A NEW ONE ON MAHER'S 'CLUB RANDOM' (SEE VIDEO)
SHARK TANK'S MR. WONDERFUL CAN'T WAIT FOR TRUMP VS. DEBATES, HERE'S WHY...