diff --git a/docs/Config_Changes.md b/docs/Config_Changes.md
index 15d94883..65a4890a 100644
--- a/docs/Config_Changes.md
+++ b/docs/Config_Changes.md
@@ -6,6 +6,10 @@ All dates in this document are approximate.
 
 # Changes
 
+20210612: The `pid_integral_max` config option in heater and
+temperature_fan sections is deprecated.  The option will be removed in
+the near future.
+
 20210503: The gcode_macro `default_parameter_<name>` config option is
 deprecated.  Use the `params` pseudo-variable to access macro
 parameters.  Other methods for accessing macro parameters will be
diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md
index e3b2b33f..5297edd2 100644
--- a/docs/Config_Reference.md
+++ b/docs/Config_Reference.md
@@ -714,9 +714,6 @@ pid_Ki:
 pid_Kd:
 #   Kd is the "derivative" constant for the pid. This parameter must
 #   be provided for PID heaters.
-#pid_integral_max:
-#   The maximum "windup" the integral term may accumulate. The default
-#   is to use the same value as max_power.
 #max_delta: 2.0
 #   On 'watermark' controlled heaters this is the number of degrees in
 #   Celsius above the target temperature before disabling the heater
@@ -1989,7 +1986,6 @@ temperature.
 #pid_Kp:
 #pid_Ki:
 #pid_Kd:
-#pid_integral_max:
 #pwm_cycle_time:
 #min_temp:
 #max_temp:
@@ -2429,7 +2425,6 @@ additional information.
 #pid_Ki:
 #pid_Kd:
 #pid_deriv_time:
-#pid_integral_max:
 #max_delta:
 #min_temp:
 #max_temp: