diff --git a/examples/AllFunctions/AllFunctions.ino b/examples/AllFunctions/AllFunctions.ino
index d175ec2..5df902a 100644
--- a/examples/AllFunctions/AllFunctions.ino
+++ b/examples/AllFunctions/AllFunctions.ino
@@ -107,7 +107,7 @@ void loop() {
 
   String cop = modem.getOperator();
   DBG("Operator:", cop);
-  
+
   IPAddress local = modem.localIP();
   DBG("Local IP:", local);
 
@@ -127,10 +127,10 @@ void loop() {
   DBG("GSM location:", gsmLoc);
 
   // This is only supported on SIMxxx series
-  String gsmTime = modem.getGSMDateTime(DATE_TIME);
-  DBG("GSM Time:", gsmTime);
-  String gsmDate = modem.getGSMDateTime(DATE_DATE);
-  DBG("GSM Date:", gsmDate);
+  // String gsmTime = modem.getGSMDateTime(DATE_TIME);
+  // DBG("GSM Time:", gsmTime);
+  // String gsmDate = modem.getGSMDateTime(DATE_DATE);
+  // DBG("GSM Date:", gsmDate);
 
   String ussd_balance = modem.sendUSSD("*111#");
   DBG("Balance (USSD):", ussd_balance);
@@ -196,4 +196,3 @@ void loop() {
     modem.maintain();
   }
 }
-
diff --git a/src/TinyGsmClientSIM800.h b/src/TinyGsmClientSIM800.h
index 3f91c10..5ba81ed 100644
--- a/src/TinyGsmClientSIM800.h
+++ b/src/TinyGsmClientSIM800.h
@@ -39,12 +39,6 @@ enum RegStatus {
   REG_UNKNOWN      = 4,
 };
 
-enum DateTime {
-  DATE_FULL = 0,
-  DATE_TIME = 1,
-  DATE_DATE = 2
-};
-
 //============================================================================//
 //============================================================================//
 //                    Declaration of the TinyGsmSim800 Class
@@ -720,32 +714,6 @@ public:
     return res;
   }
 
-  /*
-   * Time functions
-   */
-  String getGSMDateTime(DateTime format) {
-    sendAT(GF("+CCLK?"));
-    if (waitResponse(2000L, GF(GSM_NL "+CCLK: \"")) != 1) {
-      return "";
-    }
-    
-    String res;
-
-    switch(format) {
-      case DATE_FULL:
-        res = stream.readStringUntil('"');
-      break;
-      case DATE_TIME:
-        streamSkipUntil(',');
-        res = stream.readStringUntil('"');
-      break;
-      case DATE_DATE:
-        res = stream.readStringUntil(',');
-      break;
-    }
-    return res;
-  }
-
   /*
    * Battery functions
    */