diff --git a/gnss/2.1/IGnss.hal b/gnss/2.1/IGnss.hal
index e4da507..ce37647 100644
--- a/gnss/2.1/IGnss.hal
+++ b/gnss/2.1/IGnss.hal
@@ -18,10 +18,10 @@
 
 import android.hardware.gnss.measurement_corrections@1.1::IMeasurementCorrections;
 import @2.0::IGnss;
+
 import IGnssCallback;
 import IGnssMeasurement;
 import IGnssConfiguration;
-import IGnssAntennaInfo;
 
 /**
  * Represents the standard GNSS (Global Navigation Satellite System) interface.
@@ -72,15 +72,5 @@
      *
      * @return measurementCorrectionsIface Handle to the IMeasurementCorrections interface.
      */
-    getExtensionMeasurementCorrections_1_1()
-        generates (IMeasurementCorrections measurementCorrectionsIface);
-
-    /**
-     * This method returns the IGnssAntennaInfo interface.
-     *
-     * This method must return non-null.
-     *
-     * @return gnssAntennaInfoIface Handle to the IGnssAntennaInfo interface.
-     */
-    getExtensionGnssAntennaInfo() generates (IGnssAntennaInfo gnssAntennaInfoIface);
-};
+     getExtensionMeasurementCorrections_1_1() generates (IMeasurementCorrections measurementCorrectionsIface);
+};
\ No newline at end of file