diff --git a/fuzzers/fuzzer_load.c b/fuzzers/fuzzer_load.c
index 7621c03211..d522c99a61 100644
--- a/fuzzers/fuzzer_load.c
+++ b/fuzzers/fuzzer_load.c
@@ -45,6 +45,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
     int fd = memfd_create("fuzz_mpv_load", MFD_CLOEXEC | MFD_ALLOW_SEALING);
     if (fd == -1)
         exit(1);
+    if (dup3(fd, 42, O_CLOEXEC) != 42 || close(fd))
+        exit(1);
+    fd = 42;
     ssize_t written = 0;
     while (written < size) {
         ssize_t result = write(fd, data + written, size - written);
@@ -85,7 +88,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 #endif
 
     mpv_terminate_destroy(ctx);
-    close(fd);
+
+    if (close(fd))
+        exit(1);
 
     return 0;
 }
diff --git a/fuzzers/fuzzer_loadfile_direct.c b/fuzzers/fuzzer_loadfile_direct.c
index 5afcbc314b..f6dd35c341 100644
--- a/fuzzers/fuzzer_loadfile_direct.c
+++ b/fuzzers/fuzzer_loadfile_direct.c
@@ -38,26 +38,6 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
         return 0;
 #endif
 
-#if !defined(MPV_PROTO) || defined(MPV_PROTO_FILE)
-    const uint8_t *data_check = data;
-    size_t size_check = size;
-    size_t prefix_size = sizeof("file://") - 1;
-    if (str_startswith(data, size - 1, "file://", prefix_size)) {
-        data_check += prefix_size;
-        size_check -= prefix_size;
-    }
-    // Exclude some common paths that are not useful for testing.
-    // Exclude -
-    if (size_check == 2 && !strncmp(data_check, "-", 1))
-        return 0;
-    // Exclude relative paths
-    if (str_startswith(data_check, size_check - 1, ".", 1))
-        return 0;
-    // Exclude absolute paths
-    if (str_startswith(data_check, size_check - 1, "/", 1))
-        return 0;
-#endif
-
     mpv_handle *ctx = mpv_create();
     if (!ctx)
         exit(1);
diff --git a/player/loadfile.c b/player/loadfile.c
index 253fdf889f..bf707ae56a 100644
--- a/player/loadfile.c
+++ b/player/loadfile.c
@@ -1182,18 +1182,6 @@ static void start_open(struct MPContext *mpctx, char *url, int url_flags,
     mpctx->open_for_prefetch = for_prefetch && mpctx->opts->demuxer_thread;
     mpctx->demuxer_changed = false;
 
-#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
-    // Don't allow to open local paths or stdin during fuzzing
-    bstr open_url = bstr0(mpctx->open_url);
-    if (bstr_startswith0(open_url, "/") ||
-        bstr_startswith0(open_url, ".") ||
-        bstr_equals0(open_url, "-"))
-    {
-        cancel_open(mpctx);
-        return;
-    }
-#endif
-
     if (mp_thread_create(&mpctx->open_thread, open_demux_thread, mpctx)) {
         cancel_open(mpctx);
         return;
diff --git a/stream/stream_file.c b/stream/stream_file.c
index a753384424..d06da98901 100644
--- a/stream/stream_file.c
+++ b/stream/stream_file.c
@@ -309,10 +309,6 @@ static int open_f(stream_t *stream, const struct stream_open_args *args)
             MP_ERR(stream, "Invalid FD: %d\n", p->fd);
             return STREAM_ERROR;
         }
-#endif
-#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
-        if (p->fd == STDIN_FILENO || p->fd == STDOUT_FILENO || p->fd == STDERR_FILENO)
-            return STREAM_ERROR;
 #endif
         if (is_fdclose)
             p->close = true;
@@ -344,6 +340,13 @@ static int open_f(stream_t *stream, const struct stream_open_args *args)
         p->close = true;
     }
 
+#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+    if (p->fd != 42) {
+        s_close(stream);
+        return STREAM_ERROR;
+    }
+#endif
+
     struct stat st;
     bool is_sock_or_fifo = false;
     if (fstat(p->fd, &st) == 0) {