Add api condition
diff --git a/robolectric-shadows/shadows-core/src/main/resources/org/robolectric/shadows/ShadowTelephonyManager.java.vm b/robolectric-shadows/shadows-core/src/main/resources/org/robolectric/shadows/ShadowTelephonyManager.java.vm
index 316993f..80070aa 100644
--- a/robolectric-shadows/shadows-core/src/main/resources/org/robolectric/shadows/ShadowTelephonyManager.java.vm
+++ b/robolectric-shadows/shadows-core/src/main/resources/org/robolectric/shadows/ShadowTelephonyManager.java.vm
@@ -188,6 +188,7 @@
     this.cellLocation = cellLocation;
   }
 
+#if ($api >= 18)
   @Implementation
   public String getGroupIdLevel1() {
     return this.groupIdLevel1;
@@ -196,4 +197,5 @@
   public void setGroupIdLevel1(String groupIdLevel1) {
     this.groupIdLevel1 = groupIdLevel1;
   }
+#end
 }