diff --git a/retroarch.cfg b/retroarch.cfg
index c6e1093c28..9ee740f226 100644
--- a/retroarch.cfg
+++ b/retroarch.cfg
@@ -303,10 +303,6 @@
 # Killing it in any hard way (SIGTERM, SIGKILL, etc, will terminate emulator without saving RAM, etc.)
 # input_exit_emulator = escape
 
-# Decrease/increase input sample rate on the fly. Amount to decrease/increase is defined by audio_rate_step.
-# input_rate_step_up = kp_plus
-# input_rate_step_down = kp_minus
-
 # Applies next and previous XML/Cg shader in directory.
 # input_shader_next = m
 # input_shader_prev = n