diff --git a/services/core/java/com/android/server/IpSecService.java b/services/core/java/com/android/server/IpSecService.java
index f1f251f42524c..d09a161d1ef47 100644
--- a/services/core/java/com/android/server/IpSecService.java
+++ b/services/core/java/com/android/server/IpSecService.java
@@ -676,10 +676,12 @@ public class IpSecService extends IIpSecService.Stub {
         @Override
         public void freeUnderlyingResources() {
             try {
-                mSrvConfig
-                        .getNetdInstance()
-                        .ipSecDeleteSecurityAssociation(
-                                mResourceId, mSourceAddress, mDestinationAddress, mSpi, 0, 0);
+                if (!mOwnedByTransform) {
+                    mSrvConfig
+                            .getNetdInstance()
+                            .ipSecDeleteSecurityAssociation(
+                                    mResourceId, mSourceAddress, mDestinationAddress, mSpi, 0, 0);
+                }
             } catch (ServiceSpecificException | RemoteException e) {
                 Log.e(TAG, "Failed to delete SPI reservation with ID: " + mResourceId, e);
             }
diff --git a/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java b/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
index a5c55e8d844e9..410f754fb5edb 100644
--- a/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
+++ b/tests/net/java/com/android/server/IpSecServiceParameterizedTest.java
@@ -23,6 +23,7 @@ import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -319,6 +320,30 @@ public class IpSecServiceParameterizedTest {
         }
     }
 
+    @Test
+    public void testReleaseOwnedSpi() throws Exception {
+        IpSecConfig ipSecConfig = new IpSecConfig();
+        addDefaultSpisAndRemoteAddrToIpSecConfig(ipSecConfig);
+        addAuthAndCryptToIpSecConfig(ipSecConfig);
+
+        IpSecTransformResponse createTransformResp =
+                mIpSecService.createTransform(ipSecConfig, new Binder());
+        IpSecService.UserRecord userRecord =
+                mIpSecService.mUserResourceTracker.getUserRecord(Os.getuid());
+        assertEquals(1, userRecord.mSpiQuotaTracker.mCurrent);
+        mIpSecService.releaseSecurityParameterIndex(ipSecConfig.getSpiResourceId());
+        verify(mMockNetd, times(0))
+                .ipSecDeleteSecurityAssociation(
+                        eq(createTransformResp.resourceId),
+                        anyString(),
+                        anyString(),
+                        eq(TEST_SPI),
+                        anyInt(),
+                        anyInt());
+        // quota is not released until the SPI is released by the Transform
+        assertEquals(1, userRecord.mSpiQuotaTracker.mCurrent);
+    }
+
     @Test
     public void testDeleteTransform() throws Exception {
         IpSecConfig ipSecConfig = new IpSecConfig();
@@ -329,7 +354,7 @@ public class IpSecServiceParameterizedTest {
                 mIpSecService.createTransform(ipSecConfig, new Binder());
         mIpSecService.deleteTransform(createTransformResp.resourceId);
 
-        verify(mMockNetd)
+        verify(mMockNetd, times(1))
                 .ipSecDeleteSecurityAssociation(
                         eq(createTransformResp.resourceId),
                         anyString(),
@@ -342,6 +367,21 @@ public class IpSecServiceParameterizedTest {
         IpSecService.UserRecord userRecord =
                 mIpSecService.mUserResourceTracker.getUserRecord(Os.getuid());
         assertEquals(0, userRecord.mTransformQuotaTracker.mCurrent);
+        assertEquals(1, userRecord.mSpiQuotaTracker.mCurrent);
+
+        mIpSecService.releaseSecurityParameterIndex(ipSecConfig.getSpiResourceId());
+        // Verify that ipSecDeleteSa was not called when the SPI was released because the
+        // ownedByTransform property should prevent it; (note, the called count is cumulative).
+        verify(mMockNetd, times(1))
+                .ipSecDeleteSecurityAssociation(
+                        anyInt(),
+                        anyString(),
+                        anyString(),
+                        anyInt(),
+                        anyInt(),
+                        anyInt());
+        assertEquals(0, userRecord.mSpiQuotaTracker.mCurrent);
+
         try {
             userRecord.mTransformRecords.getRefcountedResourceOrThrow(
                     createTransformResp.resourceId);