diff --git a/include/psa/crypto_config.h b/include/psa/crypto_config.h
index 9019ca90de2b..f261e013e07d 100644
--- a/include/psa/crypto_config.h
+++ b/include/psa/crypto_config.h
@@ -60,7 +60,6 @@
 #define PSA_WANT_ALG_CMAC                       1
 #define PSA_WANT_ALG_CFB                        1
 #define PSA_WANT_ALG_CHACHA20_POLY1305          1
-#define PSA_WANT_ALG_CMAC                       1
 #define PSA_WANT_ALG_CTR                        1
 #define PSA_WANT_ALG_DETERMINISTIC_ECDSA        1
 #define PSA_WANT_ALG_ECB_NO_PADDING             1