Weber was already suffering from tuberculosis when he visited London. He died of the disease whilst at the house of Sir George Smart during the night of 4/5 June 1826.[3] Weber was 39 years old. He was initially buried in London, but 18 years later his remains were transferred to the family burial plot in the Old Catholic Cemetery (Alten Katholischen Friedhof) in west Dresden. The simple gravestone was designed by Gottfried Semper and lies against the northern boundary wall. The eulogy at the reburial was performed by Richard Wagner.
His unfinished opera Die drei Pintos (The Three Pintos) was originally given by Weber's widow to Giacomo Meyerbeer for completion; it was eventually completed by Gustav Mahler, who conducted the first performance in this form in Leipzig on 20 January 1888.