diff --git a/src/java/com/android/internal/telephony/dataconnection/DcTracker.java b/src/java/com/android/internal/telephony/dataconnection/DcTracker.java
index 0b17936..b4500c6 100644
--- a/src/java/com/android/internal/telephony/dataconnection/DcTracker.java
+++ b/src/java/com/android/internal/telephony/dataconnection/DcTracker.java
@@ -616,11 +616,6 @@
 
     //***** Constants
 
-    // Used by puppetmaster/*/radio_stress.py
-    private static final String PUPPET_MASTER_RADIO_STRESS_TEST = "gsm.defaultpdpcontext.active";
-
-    private static final int POLL_PDP_MILLIS = 5 * 1000;
-
     private static final int PROVISIONING_SPINNER_TIMEOUT_MILLIS = 120 * 1000;
 
     static final Uri PREFERAPN_NO_UPDATE_URI_USING_SUBID =
@@ -2694,24 +2689,12 @@
                 }
 
                 // everything is setup
-                if (TextUtils.equals(apnContext.getApnType(), PhoneConstants.APN_TYPE_DEFAULT)) {
-                    try {
-                        SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "true");
-                    } catch (RuntimeException ex) {
-                        log("Failed to set PUPPET_MASTER_RADIO_STRESS_TEST to true");
-                    }
-                    if (mCanSetPreferApn && mPreferredApn == null) {
-                        if (DBG) log("onDataSetupComplete: PREFERRED APN is null");
-                        mPreferredApn = apn;
-                        if (mPreferredApn != null) {
-                            setPreferredApn(mPreferredApn.getId());
-                        }
-                    }
-                } else {
-                    try {
-                        SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "false");
-                    } catch (RuntimeException ex) {
-                        log("Failed to set PUPPET_MASTER_RADIO_STRESS_TEST to false");
+                if (TextUtils.equals(apnContext.getApnType(), PhoneConstants.APN_TYPE_DEFAULT)
+                        && mCanSetPreferApn && mPreferredApn == null) {
+                    if (DBG) log("onDataSetupComplete: PREFERRED APN is null");
+                    mPreferredApn = apn;
+                    if (mPreferredApn != null) {
+                        setPreferredApn(mPreferredApn.getId());
                     }
                 }
 
@@ -2923,11 +2906,6 @@
         }
         // If APN is still enabled, try to bring it back up automatically
         if (mAttached.get() && apnContext.isReady() && retryAfterDisconnected(apnContext)) {
-            try {
-                SystemProperties.set(PUPPET_MASTER_RADIO_STRESS_TEST, "false");
-            } catch (RuntimeException ex) {
-                log("Failed to set PUPPET_MASTER_RADIO_STRESS_TEST to false");
-            }
             // Wait a bit before trying the next APN, so that
             // we're not tying up the RIL command channel.
             // This also helps in any external dependency to turn off the context.