diff --git a/src/Tizen.Network.Bluetooth/Interop/Interop.Glib.cs b/src/Tizen.Network.Bluetooth/Interop/Interop.Glib.cs
index 576a6e287cf..ee7a1e1cd98 100644
--- a/src/Tizen.Network.Bluetooth/Interop/Interop.Glib.cs
+++ b/src/Tizen.Network.Bluetooth/Interop/Interop.Glib.cs
@@ -26,5 +26,8 @@ internal static partial class Glib
 
         [DllImport(Libraries.Glib, EntryPoint = "g_idle_add", CallingConvention = CallingConvention.Cdecl)]
         internal static extern uint IdleAdd(GSourceFunc d, IntPtr data);
+
+        [DllImport(Libraries.Glib, EntryPoint = "g_free", CallingConvention = CallingConvention.Cdecl)]
+        internal static extern void Gfree(IntPtr ptr);
     }
 }
diff --git a/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothAdapterImpl.cs b/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothAdapterImpl.cs
index 99a856d1f5f..d74b045fa0f 100644
--- a/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothAdapterImpl.cs
+++ b/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothAdapterImpl.cs
@@ -534,14 +534,14 @@ internal BluetoothOobData GetLocalOobData()
                 byte[] hashArr = new byte[hashLength];
                 Marshal.Copy(hash, hashArr, 0, hashLength);
                 oobData.HashValue = hashArr;
-                Interop.Libc.Free(hash);
+                Interop.Glib.Gfree(hash);
             }
 
             if (randomizerLength > 0) {
                 byte[] randomizerArr = new byte[randomizerLength];
                 Marshal.Copy(randomizer, randomizerArr, 0, randomizerLength);
                 oobData.RandomizerValue = randomizerArr;
-                Interop.Libc.Free(randomizer);
+                Interop.Glib.Gfree(randomizer);
             }
 
             return oobData;
diff --git a/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothLeAdapterImpl.cs b/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothLeAdapterImpl.cs
index 890c80e3e4a..4cd0a805106 100644
--- a/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothLeAdapterImpl.cs
+++ b/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothLeAdapterImpl.cs
@@ -187,10 +187,10 @@ internal IList<string> GetLeScanResultServiceUuids(BluetoothLeScanData scanData,
             foreach (IntPtr uuids in uuidList)
             {
                 list.Add(Marshal.PtrToStringAnsi(uuids));
-                Interop.Libc.Free(uuids);
+                Interop.Glib.Gfree(uuids);
             }
 
-            Interop.Libc.Free(uuidListArray);
+            Interop.Glib.Gfree(uuidListArray);
             Marshal.FreeHGlobal(scanDataStruct.AdvData);
             Marshal.FreeHGlobal(scanDataStruct.ScanData);
             return list;
@@ -295,10 +295,10 @@ internal IList<string> GetScanResultSvcSolicitationUuids(BluetoothLeScanData sca
             foreach (IntPtr uuids in uuidList)
             {
                 list.Add(Marshal.PtrToStringAnsi(uuids));
-                Interop.Libc.Free(uuids);
+                Interop.Glib.Gfree(uuids);
             }
 
-            Interop.Libc.Free(uuidListArray);
+            Interop.Glib.Gfree(uuidListArray);
             Marshal.FreeHGlobal(scanDataStruct.AdvData);
             Marshal.FreeHGlobal(scanDataStruct.ScanData);
             return list;
@@ -417,7 +417,7 @@ internal ManufacturerData GetScanResultManufacturerData(BluetoothLeScanData scan
                 Marshal.Copy(manufData, data.Data, 0, data.DataLength);
             }
 
-            Interop.Libc.Free(manufData);
+            Interop.Glib.Gfree(manufData);
             Marshal.FreeHGlobal(scanDataStruct.AdvData);
             Marshal.FreeHGlobal(scanDataStruct.ScanData);
             return data;