diff --git a/libfaad/cfft.c b/libfaad/cfft.c
index 5b01d75..cf18a91 100644
--- a/libfaad/cfft.c
+++ b/libfaad/cfft.c
@@ -60,8 +60,6 @@
 static void passf5(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch,
                    const complex_t *wa1, const complex_t *wa2, const complex_t *wa3,
                    const complex_t *wa4, const int8_t isign);
-INLINE void cfftf1(uint16_t n, complex_t *c, complex_t *ch,
-                   const uint16_t *ifac, const complex_t *wa, const int8_t isign);
 static void cffti1(uint16_t n, complex_t *wa, uint16_t *ifac);