diff --git a/plugins/compress/c_zstd.c b/plugins/compress/c_zstd.c
index e50898e3..9a725f7f 100644
--- a/plugins/compress/c_zstd.c
+++ b/plugins/compress/c_zstd.c
@@ -34,9 +34,6 @@
 #define ZSTD_CLEVEL_DEFAULT 3
 #endif
 
-typedef struct ZSTD_CCtx_s ZSTD_CCtx;
-typedef struct ZSTD_DCtx_s ZSTD_DCtx;
-
 static void ma_free_ctx(ma_compress_ctx *ctx)
 {
   if (ctx)