diff --git a/encode_video.py b/encode_video.py
old mode 100755
new mode 100644
index aa5b310..27edaa3
--- a/encode_video.py
+++ b/encode_video.py
@@ -22,11 +22,6 @@ def encode(input_file, codec, remove_source=False, save_log=False):
         extra_params = [
         ]
 
-    elif codec == "x265-amd":
-        ffmpeg_codec = "hevc_amf"
-        folder = "h265"
-        extra_params = ["-quality", "quality"]
-
     elif codec == "av1":
         ffmpeg_codec = "av1_nvenc"
         cq = 32
@@ -63,6 +58,8 @@ def encode(input_file, codec, remove_source=False, save_log=False):
         "-cq", str(cq),
     ] + extra_params + [
         "-c:v", ffmpeg_codec,
+        "-preset", "p4",
+        "-cq", str(cq),
         "-rc", "vbr",
         "-b:v", "0",
         "-c:a", "copy",
@@ -130,7 +127,7 @@ def main():
     parser = argparse.ArgumentParser(description="Encode video(s) to x265 or AV1.")
     parser.add_argument("input", nargs="?", help="Path to input file")
     parser.add_argument("-d", "--directory", help="Path to a directory for batch encoding")
-    parser.add_argument("--codec", choices=["x265", "x265-amd", "av1"], default="x265", help="Codec to use")
+    parser.add_argument("--codec", choices=["x265", "av1"], default="x265", help="Codec to use")
     parser.add_argument("--remove-source", action="store_true", help="Remove the source file after successful encoding")
     parser.add_argument("--save-log", action="store_true", help="Save ffmpeg logs to a .log file")
     args = parser.parse_args()