diff --git a/WiFiManager.cpp b/WiFiManager.cpp
index fd05d87..219b81a 100644
--- a/WiFiManager.cpp
+++ b/WiFiManager.cpp
@@ -1544,21 +1544,27 @@ void WiFiManager::reboot(){
  * @access public
  */
 bool WiFiManager::erase(){
-  DEBUG_WM("Erasing");
-
-  #if defined(WM_ERASE_NVS)
-    DEBUG_WM("Erasing NVS");
-    int err;
-    err=nvs_flash_init();
-    DEBUG_WM("nvs_flash_init: ",err ? err : "Success");
-    err=nvs_flash_erase();
-    DEBUG_WM("nvs_flash_erase: ", err ? err : "Success");
-    return;
-  #endif
-  
-  return WiFi_eraseConfig();
+  return erase(false);
 }
 
+bool WiFiManager::erase(bool opt){
+  DEBUG_WM("Erasing");
+
+  #if defined(ESP32) && defined(WM_ERASE_NVS)
+    // if opt true, do nvs erase
+    if(opt){
+      DEBUG_WM("Erasing NVS");
+      int err;
+      err=nvs_flash_init();
+      DEBUG_WM("nvs_flash_init: ",err ? err : "Success");
+      err=nvs_flash_erase();
+      DEBUG_WM("nvs_flash_erase: ", err ? err : "Success");
+      return err;
+    }  
+  #endif
+
+  return WiFi_eraseConfig();
+}
 
 /**
  * [resetSettings description]
diff --git a/WiFiManager.h b/WiFiManager.h
index e40d6c7..9814645 100644
--- a/WiFiManager.h
+++ b/WiFiManager.h
@@ -16,7 +16,7 @@
 #define WM_WEBSERVERSHIM // use webserver shim lib
 // #define WM_MDNS       // use MDNS
 // #define WM_FIXERASECONFIG // use erase flash fix
-// #define WM_ERASE_NVS // esp32 erase() will erase NVS
+// #define WM_ERASE_NVS // esp32 erase() will erase
 
 #ifdef ESP8266
 
@@ -156,6 +156,7 @@ class WiFiManager
     bool          disconnect();
     // erase esp
     bool          erase();
+    bool          erase(bool opt);
 
     //sets timeout before AP,webserver loop ends and exits even if there has been no setup.
     //useful for devices that failed to connect at some point and got stuck in a webserver loop
diff --git a/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino.cpp b/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino.cpp
deleted file mode 100644
index 85425f4..0000000
--- a/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-# 1 "c:\\users\\alverson\\appdata\\local\\temp\\tmpqedruz"
-#include <Arduino.h>
-# 1 "C:/Users/alverson/documents/projects/arduino/sketches/libraries/WiFiManager/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino"
-#include <WiFiManager.h>
-# 11 "C:/Users/alverson/documents/projects/arduino/sketches/libraries/WiFiManager/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino"
-#define TRIGGER_PIN 0
-
-const char* modes[] = { "NULL", "STA", "AP", "STA+AP" };
-void setup();
-void loop();
-#line 21 "C:/Users/alverson/documents/projects/arduino/sketches/libraries/WiFiManager/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino"
-void setup() {
-
-
-
-  Serial.begin(115200);
-
-  WiFi.printDiag(Serial);
-
-  delay(3000);
-
-  Serial.println("\n Starting");
-
-
-
-  Serial.setDebugOutput(true);
-
-  Serial.println(modes[WiFi.getMode()]);
-# 49 "C:/Users/alverson/documents/projects/arduino/sketches/libraries/WiFiManager/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino"
-  WiFiManager wifiManager(Serial);
-# 63 "C:/Users/alverson/documents/projects/arduino/sketches/libraries/WiFiManager/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino"
-  wifiManager.setConfigPortalTimeout(180);
-# 79 "C:/Users/alverson/documents/projects/arduino/sketches/libraries/WiFiManager/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino"
-  if(!wifiManager.autoConnect("AutoConnectAP")) {
-
-    Serial.println("failed to connect and hit timeout");
-
-  }
-
-
-
-  pinMode(TRIGGER_PIN, INPUT);
-
-}
-
-
-
-
-
-void loop() {
-
-
-
-  if ( digitalRead(TRIGGER_PIN) == LOW ) {
-
-
-
-
-
-    WiFiManager wifiManager(Serial);
-# 121 "C:/Users/alverson/documents/projects/arduino/sketches/libraries/WiFiManager/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino"
-    wifiManager.setConfigPortalTimeout(120);
-# 145 "C:/Users/alverson/documents/projects/arduino/sketches/libraries/WiFiManager/examples/OnDemandConfigPortal/OnDemandConfigPortal.ino"
-    if (!wifiManager.startConfigPortal("OnDemandAP")) {
-
-      Serial.println("failed to connect and hit timeout");
-
-      delay(3000);
-
-    } else {
-
-
-
-      Serial.println("connected...yeey :)");
-
-    }
-
-  }
-
-
-
-
-
-}
\ No newline at end of file