diff --git a/README.md b/README.md
index d61d4c4..49f7cb7 100644
--- a/README.md
+++ b/README.md
@@ -38,10 +38,6 @@ options:
   --keep-frames         keep frames directory
   --max-memory MAX_MEMORY
                         set max memory
-  --max-cpu-cores MAX_CPU_CORES
-                        set max cpu cores
-  --max-cpu-usage MAX_CPU_USAGE
-                        set cpu usage in percent
 ```
 
 Looking for a CLI mode? Using the -f/--face argument will make the program in cli mode.
diff --git a/run.py b/run.py
index 9fabf17..5d65b7d 100644
--- a/run.py
+++ b/run.py
@@ -34,8 +34,6 @@ parser.add_argument('--keep-fps', help='maintain original fps', dest='keep_fps',
 parser.add_argument('--gpu', help='use gpu', dest='gpu', action='store_true', default=False)
 parser.add_argument('--keep-frames', help='keep frames directory', dest='keep_frames', action='store_true', default=False)
 parser.add_argument('--max-memory', help='set max memory', default=16, type=int)
-parser.add_argument('--max-cpu-cores', help='set max cpu cores', default=multiprocessing.cpu_count(), type=int)
-parser.add_argument('--max-cpu-usage', help='set cpu usage in percent', default=100, type=int)
 
 for name, value in vars(parser.parse_args()).items():
     args[name] = value
@@ -46,13 +44,9 @@ if os.name == "nt":
 
 
 def limit_resources():
-    current_cpu_usage, current_cpu_cores = resource.getrlimit(resource.RLIMIT_CPU)
-    if args['max_memory'] < 1:
-        resource.setrlimit(resource.RLIMIT_DATA, (args['max_memory'] * 1024 * 1024 * 1024, -1))
-    if args['max_cpu_usage'] < 1:
-        resource.setrlimit(resource.RLIMIT_CPU, (args['max_cpu_usage'], current_cpu_cores))
-    if args['max_cpu_cores'] < multiprocessing.cpu_count():
-        resource.setrlimit(resource.RLIMIT_CPU, (current_cpu_usage, args['max_cpu_cores']))
+    if args['max_memory'] <= 1:
+        memory = args['max_memory'] * 1024 * 1024 * 1024
+        resource.setrlimit(resource.RLIMIT_DATA, (memory, memory))
 
 
 def pre_check():