diff --git a/core/src/main/java/org/bitcoinj/net/discovery/DnsDiscovery.java b/core/src/main/java/org/bitcoinj/net/discovery/DnsDiscovery.java
index 808538d0a98..3d1c4f34ca2 100644
--- a/core/src/main/java/org/bitcoinj/net/discovery/DnsDiscovery.java
+++ b/core/src/main/java/org/bitcoinj/net/discovery/DnsDiscovery.java
@@ -67,23 +67,6 @@ public DnsDiscovery(String[] dnsSeeds, Network network) {
         super(network, buildDiscoveries(network, dnsSeeds));
     }
 
-    /**
-     * @deprecated Use {@link DnsDiscovery#DnsDiscovery(Network)}
-     */
-    @Deprecated
-    public DnsDiscovery(NetworkParameters netParams) {
-        this(netParams.getDnsSeeds(), netParams.network());
-    }
-
-    /**
-     * @deprecated Use {@link DnsDiscovery#DnsDiscovery(String[], Network)}
-     */
-    @Deprecated
-    public DnsDiscovery(String[] dnsSeeds, NetworkParameters params) {
-        this(dnsSeeds, params.network());
-    }
-
-
     private static List<PeerDiscovery> buildDiscoveries(Network network, String[] seeds) {
         List<PeerDiscovery> discoveries = new ArrayList<>();
         if (seeds != null)
@@ -107,14 +90,6 @@ public DnsSeedDiscovery(Network network, String hostname) {
             this.params = NetworkParameters.of(network);
         }
 
-        /**
-         * @deprecated Use {@link DnsSeedDiscovery#DnsSeedDiscovery(Network, String)}
-         */
-        @Deprecated
-        public DnsSeedDiscovery(NetworkParameters params, String hostname) {
-            this(params.network(), hostname);
-        }
-
         @Override
         public List<InetSocketAddress> getPeers(long services, Duration timeout) throws PeerDiscoveryException {
             InetAddress[] response = null;
diff --git a/core/src/main/java/org/bitcoinj/net/discovery/MultiplexingDiscovery.java b/core/src/main/java/org/bitcoinj/net/discovery/MultiplexingDiscovery.java
index 185cb226479..851f5859164 100644
--- a/core/src/main/java/org/bitcoinj/net/discovery/MultiplexingDiscovery.java
+++ b/core/src/main/java/org/bitcoinj/net/discovery/MultiplexingDiscovery.java
@@ -51,8 +51,6 @@ public class MultiplexingDiscovery implements PeerDiscovery {
     private static final Logger log = LoggerFactory.getLogger(MultiplexingDiscovery.class);
 
     protected final List<PeerDiscovery> seeds;
-    @Deprecated
-    protected final NetworkParameters netParams;
     private volatile ExecutorService vThreadPool;
     private final boolean parallelQueries;
     private final boolean shufflePeers;
@@ -83,23 +81,6 @@ public static MultiplexingDiscovery forServices(Network network, long services,
         return new MultiplexingDiscovery(network, discoveries, parallelQueries, shufflePeers);
     }
 
-    /**
-     * @deprecated Use {@link #forServices(Network, long)} 
-     */
-    @Deprecated
-    public static MultiplexingDiscovery forServices(NetworkParameters params, long services) {
-        return forServices(params.network(), services);
-    }
-
-    /**
-     * @deprecated Use {@link #forServices(Network, long, boolean, boolean)} 
-     */
-    @Deprecated
-    public static MultiplexingDiscovery forServices(NetworkParameters params, long services, boolean parallelQueries,
-                                                    boolean shufflePeers) {
-        return forServices(params.network(), services, parallelQueries, shufflePeers);
-    }
-
     /**
      * Will query the given seeds in parallel before producing a merged response.
      * @param network The network we are querying for
@@ -109,19 +90,9 @@ public MultiplexingDiscovery(Network network, List<PeerDiscovery> seeds) {
         this(network, seeds, true, true);
     }
 
-    /**
-     * Will query the given seeds in parallel before producing a merged response.
-     * @deprecated Use {@link MultiplexingDiscovery#MultiplexingDiscovery(Network, List)}
-     */
-    @Deprecated
-    public MultiplexingDiscovery(NetworkParameters params, List<PeerDiscovery> seeds) {
-        this(params.network(), seeds);
-    }
-
     private MultiplexingDiscovery(Network network, List<PeerDiscovery> seeds, boolean parallelQueries,
                                   boolean shufflePeers) {
         checkArgument(!seeds.isEmpty() || network == REGTEST);
-        this.netParams = NetworkParameters.of(network);
         this.seeds = seeds;
         this.parallelQueries = parallelQueries;
         this.shufflePeers = shufflePeers;