diff --git a/framework/api/current.txt b/framework/api/current.txt
index a75523496b..c53f29a5ef 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -206,7 +206,6 @@ package android.net {
   }
 
   public final class IpPrefix implements android.os.Parcelable {
-    ctor public IpPrefix(@NonNull java.net.InetAddress, @IntRange(from=0, to=128) int);
     method public boolean contains(@NonNull java.net.InetAddress);
     method public int describeContents();
     method @NonNull public java.net.InetAddress getAddress();
diff --git a/framework/api/system-current.txt b/framework/api/system-current.txt
index 5337b3807c..7db8725582 100644
--- a/framework/api/system-current.txt
+++ b/framework/api/system-current.txt
@@ -131,6 +131,7 @@ package android.net {
   }
 
   public final class IpPrefix implements android.os.Parcelable {
+    ctor public IpPrefix(@NonNull java.net.InetAddress, @IntRange(from=0, to=128) int);
     ctor public IpPrefix(@NonNull String);
   }
 
diff --git a/framework/src/android/net/IpPrefix.java b/framework/src/android/net/IpPrefix.java
index c26a0b53bf..bf4481afc5 100644
--- a/framework/src/android/net/IpPrefix.java
+++ b/framework/src/android/net/IpPrefix.java
@@ -87,7 +87,9 @@ public final class IpPrefix implements Parcelable {
      *
      * @param address the IP address. Must be non-null.
      * @param prefixLength the prefix length. Must be >= 0 and <= (32 or 128) (IPv4 or IPv6).
+     * @hide
      */
+    @SystemApi
     public IpPrefix(@NonNull InetAddress address, @IntRange(from = 0, to = 128) int prefixLength) {
         // We don't reuse the (byte[], int) constructor because it calls clone() on the byte array,
         // which is unnecessary because getAddress() already returns a clone.
diff --git a/tests/common/java/android/net/IpPrefixTest.java b/tests/common/java/android/net/IpPrefixTest.java
index f61c8c3583..50ecb42835 100644
--- a/tests/common/java/android/net/IpPrefixTest.java
+++ b/tests/common/java/android/net/IpPrefixTest.java
@@ -122,9 +122,6 @@ public class IpPrefixTest {
 
         p = new IpPrefix("[2001:db8::123]/64");
         assertEquals("2001:db8::/64", p.toString());
-
-        p = new IpPrefix(InetAddresses.parseNumericAddress("::128"), 64);
-        assertEquals("::/64", p.toString());
     }
 
     @Test