The United States has produced several coins and banknotes of its dollar which no longer circulate or have been disused. Many of these were removed for specific reasons such as inflation reducing their value, rising minting costs, a lack of demand, or being too similar to another denomination.
The U.S. Dollar has numerous discontinued denominations, particularly high denomination bills, issued before and in 1934 in six denominations ranging from to . Although still legal tender, most are in the hands of collectors and museums. The reverse designs featured abstract scroll-work with ornate denomination identifiers. With the exception of the bill, these bills ceased production in 1945, and were recalled in 1969. Of these, the was printed only as a Series 1934 gold certificate and was only used for internal government transactions. The United States also issued fractional currency for a brief time in the 1860s and 1870s, in several denominations each less than a dollar.
There have been numerous coins throughout the United States dollar's history that no longer circulate. Some, like the half-cent coin, were removed due to inflation reducing their value relative to the cost of the metal that composed the coin. Others such as the two-cent piece were removed due to a lack of demand.
Note that this table shows the latest status before the coin denomination was rendered obsolete.