diff --git a/libavutil/blowfish.c b/libavutil/blowfish.c
index 4f7e4dfd6c..0ab104eb8b 100644
--- a/libavutil/blowfish.c
+++ b/libavutil/blowfish.c
@@ -27,15 +27,6 @@
 #include "mem.h"
 #include "blowfish.h"
 
-#if !FF_API_CRYPTO_CONTEXT
-#define AV_BF_ROUNDS 16
-
-struct AVBlowfish {
-    uint32_t p[AV_BF_ROUNDS + 2];
-    uint32_t s[4][256];
-};
-#endif
-
 static const uint32_t orig_p[AV_BF_ROUNDS + 2] = {
     0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344,
     0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89,
diff --git a/libavutil/blowfish.h b/libavutil/blowfish.h
index d163fd3578..29e2747a14 100644
--- a/libavutil/blowfish.h
+++ b/libavutil/blowfish.h
@@ -31,16 +31,12 @@
  * @{
  */
 
-#if FF_API_CRYPTO_CONTEXT
 #define AV_BF_ROUNDS 16
 
 typedef struct AVBlowfish {
     uint32_t p[AV_BF_ROUNDS + 2];
     uint32_t s[4][256];
 } AVBlowfish;
-#else
-typedef struct AVBlowfish AVBlowfish;
-#endif
 
 /**
  * Allocate an AVBlowfish context.
diff --git a/libavutil/des.c b/libavutil/des.c
index e7e9178078..c97158a76d 100644
--- a/libavutil/des.c
+++ b/libavutil/des.c
@@ -25,13 +25,6 @@
 #include "mem.h"
 #include "des.h"
 
-#if !FF_API_CRYPTO_CONTEXT
-struct AVDES {
-    uint64_t round_keys[3][16];
-    int triple_des;
-};
-#endif
-
 #define T(a, b, c, d, e, f, g, h) 64-a,64-b,64-c,64-d,64-e,64-f,64-g,64-h
 static const uint8_t IP_shuffle[] = {
     T(58, 50, 42, 34, 26, 18, 10, 2),
diff --git a/libavutil/des.h b/libavutil/des.h
index 224745e2f3..4cf11f5bca 100644
--- a/libavutil/des.h
+++ b/libavutil/des.h
@@ -30,14 +30,10 @@
  * @{
  */
 
-#if FF_API_CRYPTO_CONTEXT
 typedef struct AVDES {
     uint64_t round_keys[3][16];
     int triple_des;
 } AVDES;
-#else
-typedef struct AVDES AVDES;
-#endif
 
 /**
  * Allocate an AVDES context.
diff --git a/libavutil/rc4.c b/libavutil/rc4.c
index e507b4a1ab..6bd702c495 100644
--- a/libavutil/rc4.c
+++ b/libavutil/rc4.c
@@ -25,13 +25,6 @@
 #include "mem.h"
 #include "rc4.h"
 
-#if !FF_API_CRYPTO_CONTEXT
-struct AVRC4 {
-    uint8_t state[256];
-    int x, y;
-};
-#endif
-
 AVRC4 *av_rc4_alloc(void)
 {
     return av_mallocz(sizeof(struct AVRC4));
diff --git a/libavutil/rc4.h b/libavutil/rc4.h
index 47c9793df1..ef673b9e08 100644
--- a/libavutil/rc4.h
+++ b/libavutil/rc4.h
@@ -30,14 +30,10 @@
  * @{
  */
 
-#if FF_API_CRYPTO_CONTEXT
 typedef struct AVRC4 {
     uint8_t state[256];
     int x, y;
 } AVRC4;
-#else
-typedef struct AVRC4 AVRC4;
-#endif
 
 /**
  * Allocate an AVRC4 context.
diff --git a/libavutil/version.h b/libavutil/version.h
index 64713d3825..2ad85e3348 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -129,9 +129,6 @@
 #ifndef FF_API_HMAC
 #define FF_API_HMAC                     (LIBAVUTIL_VERSION_MAJOR < 55)
 #endif
-#ifndef FF_API_CRYPTO_CONTEXT
-#define FF_API_CRYPTO_CONTEXT           (LIBAVUTIL_VERSION_MAJOR < 56)
-#endif
 #ifndef FF_API_VAAPI
 #define FF_API_VAAPI                    (LIBAVUTIL_VERSION_MAJOR < 56)
 #endif
diff --git a/libavutil/xtea.c b/libavutil/xtea.c
index b95f32239e..0d58cba832 100644
--- a/libavutil/xtea.c
+++ b/libavutil/xtea.c
@@ -34,12 +34,6 @@
 #include "mem.h"
 #include "xtea.h"
 
-#if !FF_API_CRYPTO_CONTEXT
-struct AVXTEA {
-    uint32_t key[16];
-};
-#endif
-
 AVXTEA *av_xtea_alloc(void)
 {
     return av_mallocz(sizeof(struct AVXTEA));
diff --git a/libavutil/xtea.h b/libavutil/xtea.h
index 4281fd8c8f..9c45c6cb88 100644
--- a/libavutil/xtea.h
+++ b/libavutil/xtea.h
@@ -33,13 +33,9 @@
  * @{
  */
 
-#if FF_API_CRYPTO_CONTEXT
 typedef struct AVXTEA {
     uint32_t key[16];
 } AVXTEA;
-#else
-typedef struct AVXTEA AVXTEA;
-#endif
 
 /**
  * Allocate an AVXTEA context.