diff --git a/src/media_async/attachment.c b/src/media_async/attachment.c
index f59c1de7..e524d37f 100644
--- a/src/media_async/attachment.c
+++ b/src/media_async/attachment.c
@@ -38,9 +38,9 @@ int attachment_validate(const struct attachment_info* info) {
         if (wave) goto invalid;
         if (info->kind == ATTACHMENT_FILE) {
             if (info->duration_ms || info->width || info->height) goto invalid;
-        } else if (info->kind == ATTACHMENT_VIDEO || info->kind == ATTACHMENT_IMAGE) {
+        } else if (info->kind == ATTACHMENT_VIDEO) {
             if (!info->width || !info->height || info->width > 16384 || info->height > 16384) goto invalid;
-            if (info->kind == ATTACHMENT_VIDEO ? (!info->duration_ms || info->duration_ms > 86400000) : info->duration_ms) goto invalid;
+            if (!info->duration_ms || info->duration_ms > 86400000) goto invalid;
         } else goto invalid;
     }
     return 0;
@@ -81,7 +81,6 @@ const char* attachment_content_type(enum attachment_kind kind) {
     switch (kind) {
     case ATTACHMENT_VOICE: return "audio/opus";
     case ATTACHMENT_VIDEO: return "video/mp4";
-    case ATTACHMENT_IMAGE: return "image/jpeg";
     default: return "application/octet-stream";
     }
 }
diff --git a/src/media_async/attachment.h b/src/media_async/attachment.h
index 65ba2ede..f0342d91 100644
--- a/src/media_async/attachment.h
+++ b/src/media_async/attachment.h
@@ -9,7 +9,7 @@
 extern "C" {
 #endif
 
-enum attachment_kind { ATTACHMENT_FILE = 1, ATTACHMENT_VOICE, ATTACHMENT_VIDEO, ATTACHMENT_IMAGE };
+enum attachment_kind { ATTACHMENT_FILE = 1, ATTACHMENT_VOICE, ATTACHMENT_VIDEO };
 #define ATTACHMENT_WAVE_SIZE 100
 #define ATTACHMENT_WIRE_MAX (11 + 255 + ATTACHMENT_WAVE_SIZE)
 struct attachment_info {