diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index bd814849c19..155169aeafd 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -75,17 +75,6 @@ static int scale_by_log2_tag_granule(DisasContext *s, int x)
#include "decode-sme-fa64.c.inc"
#include "decode-a64.c.inc"
-/* Table based decoder typedefs - used when the relevant bits for decode
- * are too awkwardly scattered across the instruction (eg SIMD).
- */
-typedef void AArch64DecodeFn(DisasContext *s, uint32_t insn);
-
-typedef struct AArch64DecodeTable {
- uint32_t pattern;
- uint32_t mask;
- AArch64DecodeFn *disas_fn;
-} AArch64DecodeTable;
-
/* initialize TCG globals. */
void a64_translate_init(void)
{