diff --git a/docs/source/Reference/SystemVariable.rst b/docs/source/Reference/SystemVariable.rst
index 316280453..0663b3de6 100644
--- a/docs/source/Reference/SystemVariable.rst
+++ b/docs/source/Reference/SystemVariable.rst
@@ -187,7 +187,7 @@ More uses of these system variables can be seen in the rules section and formula
      - Yes
    * - ``%localunixtime%``
      - 1748813303
-     - Local Unix time (seconds since epoch, 1970-01-01 00:00:00) with Time-zone and DST applied. (Added: 2025/06/01)
+     - Local Unix time (seconds since epoch, 1970-01-01 00:00:00) with Time-zone and DST applied. (Added: 2025/06/01, not available in Limited builds)
        
        Example: 1748813303 = 2025-06-01 21:28:32
      - Yes
diff --git a/src/src/Helpers/SystemVariables.cpp b/src/src/Helpers/SystemVariables.cpp
index 83f58642b..dbb4a9f0f 100644
--- a/src/src/Helpers/SystemVariables.cpp
+++ b/src/src/Helpers/SystemVariables.cpp
@@ -238,7 +238,9 @@ String SystemVariables::getSystemVariable(SystemVariables::Enum enumval) {
     case UNIXDAY:           intvalue = node_time.getUnixTime() / 86400; break;
     case UNIXDAY_SEC:       intvalue = node_time.getUnixTime() % 86400; break;
     case UNIXTIME:          return String(node_time.getUnixTime());
+    #ifndef LIMIT_BUILD_SIZE
     case LOCALUNIXTIME:     return String(node_time.getLocalUnixTime());
+    #endif // ifndef LIMIT_BUILD_SIZE
     case UPTIME:            intvalue = getUptimeMinutes(); break;
     case UPTIME_MS:         return ull2String(getMicros64() / 1000);
     #if FEATURE_ADC_VCC
@@ -664,7 +666,9 @@ const __FlashStringHelper * SystemVariables::toFlashString(SystemVariables::Enum
     case Enum::UNIXDAY:            return F("unixday");
     case Enum::UNIXDAY_SEC:        return F("unixday_sec");
     case Enum::UNIXTIME:           return F("unixtime");
+    #ifndef LIMIT_BUILD_SIZE
     case Enum::LOCALUNIXTIME:      return F("localunixtime");
+    #endif // ifndef LIMIT_BUILD_SIZE
     case Enum::UPTIME:             return F("uptime");
     case Enum::UPTIME_MS:          return F("uptime_ms");
     case Enum::VCC:                return F("vcc");
diff --git a/src/src/Helpers/SystemVariables.h b/src/src/Helpers/SystemVariables.h
index 12fed3b34..ab13b8b7d 100644
--- a/src/src/Helpers/SystemVariables.h
+++ b/src/src/Helpers/SystemVariables.h
@@ -116,7 +116,9 @@ public:
     UNIXDAY,
     UNIXDAY_SEC,
     UNIXTIME,
+    #ifndef LIMIT_BUILD_SIZE
     LOCALUNIXTIME,
+    #endif // ifndef LIMIT_BUILD_SIZE
     UPTIME,
     UPTIME_MS,
     VCC,
diff --git a/src/src/WebServer/SysVarPage.cpp b/src/src/WebServer/SysVarPage.cpp
index 1f10d0f57..22728950d 100644
--- a/src/src/WebServer/SysVarPage.cpp
+++ b/src/src/WebServer/SysVarPage.cpp
@@ -201,7 +201,9 @@ void handle_sysvars() {
       SystemVariables::UPTIME,
       SystemVariables::UPTIME_MS,
       SystemVariables::UNIXTIME,
+      #ifndef LIMIT_BUILD_SIZE
       SystemVariables::LOCALUNIXTIME,
+      #endif // ifndef LIMIT_BUILD_SIZE
       SystemVariables::UNIXDAY,
       SystemVariables::UNIXDAY_SEC,
     };