diff --git a/config/examples/EXP3D/Imprimante multifonction/Configuration.h b/config/examples/EXP3D/Imprimante multifonction/Configuration.h
index e0e1ac3458..279ab95d51 100644
--- a/config/examples/EXP3D/Imprimante multifonction/Configuration.h	
+++ b/config/examples/EXP3D/Imprimante multifonction/Configuration.h	
@@ -1483,11 +1483,6 @@
 #define DEFAULT_KEEPALIVE_INTERVAL 2  // Number of seconds between "busy" messages. Set with M113.
 #define BUSY_WHILE_HEATING            // Some hosts require "busy" messages even during heating
 
-//
-// M100 Free Memory Watcher to debug memory usage
-//
-#define M100_FREE_MEMORY_WATCHER
-
 //
 // G20/G21 Inch mode support
 //
diff --git a/config/examples/FolgerTech/i3-2020/Configuration.h b/config/examples/FolgerTech/i3-2020/Configuration.h
index 03de4d30f1..f737eb0ae6 100644
--- a/config/examples/FolgerTech/i3-2020/Configuration.h
+++ b/config/examples/FolgerTech/i3-2020/Configuration.h
@@ -1491,11 +1491,6 @@
 #define DEFAULT_KEEPALIVE_INTERVAL 2  // Number of seconds between "busy" messages. Set with M113.
 #define BUSY_WHILE_HEATING            // Some hosts require "busy" messages even during heating
 
-//
-// M100 Free Memory Watcher to debug memory usage
-//
-#define M100_FREE_MEMORY_WATCHER
-
 //
 // G20/G21 Inch mode support
 //