diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdater.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdater.java
index 385feb84b4..dd7ce79698 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdater.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdater.java
@@ -40,7 +40,7 @@ public class CliqueVoteTallyUpdater {
   public VoteTally buildVoteTallyFromBlockchain(final Blockchain blockchain) {
     final long chainHeadBlockNumber = blockchain.getChainHeadBlockNumber();
     final long epochBlockNumber = epochManager.getLastEpochBlock(chainHeadBlockNumber);
-    LOG.info("Loading validator voting state starting from block {}", epochBlockNumber);
+    LOG.debug("Loading validator voting state starting from block {}", epochBlockNumber);
     final BlockHeader epochBlock = blockchain.getBlockHeader(epochBlockNumber).get();
     final List<Address> initialValidators =
         CliqueExtraData.decode(epochBlock.getExtraData()).getValidators();
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthServer.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthServer.java
index 3971a1f9be..934d91b426 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthServer.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthServer.java
@@ -65,7 +65,7 @@ class EthServer {
   }
 
   private void handleGetBlockHeaders(final EthMessage message) {
-    LOG.info("Responding to GET_BLOCK_HEADERS request");
+    LOG.trace("Responding to GET_BLOCK_HEADERS request");
     try {
       final MessageData response =
           constructGetHeadersResponse(blockchain, message.getData(), requestLimit);
@@ -78,7 +78,7 @@ class EthServer {
   }
 
   private void handleGetBlockBodies(final EthMessage message) {
-    LOG.info("Responding to GET_BLOCK_BODIES request");
+    LOG.trace("Responding to GET_BLOCK_BODIES request");
     try {
       final MessageData response =
           constructGetBodiesResponse(blockchain, message.getData(), requestLimit);
@@ -91,7 +91,7 @@ class EthServer {
   }
 
   private void handleGetReceipts(final EthMessage message) {
-    LOG.info("Responding to GET_RECEIPTS request");
+    LOG.trace("Responding to GET_RECEIPTS request");
     try {
       final MessageData response =
           constructGetReceiptsResponse(blockchain, message.getData(), requestLimit);
@@ -104,7 +104,7 @@ class EthServer {
   }
 
   private void handleGetNodeData(final EthMessage message) {
-    LOG.info("Responding to GET_NODE_DATA request");
+    LOG.trace("Responding to GET_NODE_DATA request");
     try {
       final MessageData response = constructGetNodeDataResponse(message.getData(), requestLimit);
       message.getPeer().send(response);
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiter.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiter.java
index 14fc354c17..32259ac5ba 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiter.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiter.java
@@ -67,7 +67,7 @@ public class TrailingPeerLimiter implements BlockAddedObserver {
 
     while (!trailingPeers.isEmpty() && trailingPeers.size() > maxTrailingPeers) {
       final EthPeer peerToDisconnect = trailingPeers.remove(0);
-      LOG.info("Enforcing trailing peers limit by disconnecting {}", peerToDisconnect);
+      LOG.debug("Enforcing trailing peers limit by disconnecting {}", peerToDisconnect);
       peerToDisconnect.disconnect(DisconnectReason.TOO_MANY_PEERS);
     }
   }
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTask.java
index 4ab347a6eb..528fe6eb9f 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTask.java
@@ -178,7 +178,7 @@ public class DownloadHeaderSequenceTask<C> extends AbstractRetryingPeerTask<List
 
             if (!validateHeader(child, header)) {
               // Invalid headers - disconnect from peer
-              LOG.info(
+              LOG.debug(
                   "Received invalid headers from peer, disconnecting from: {}",
                   headersResult.getPeer());
               headersResult.getPeer().disconnect(DisconnectReason.BREACH_OF_PROTOCOL);
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpService.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpService.java
index e3df2f1a1e..ffd44377ba 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpService.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpService.java
@@ -310,7 +310,7 @@ public class JsonRpcHttpService {
       return NO_RESPONSE;
     }
 
-    LOG.info("JSON-RPC request -> {}", request.getMethod());
+    LOG.debug("JSON-RPC request -> {}", request.getMethod());
     // Find method handler
     final JsonRpcMethod method = jsonRpcMethods.get(request.getMethod());
     if (method == null) {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandler.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandler.java
index 524b944538..70af1ca18b 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandler.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandler.java
@@ -56,7 +56,7 @@ public class WebSocketRequestHandler {
           }
           final JsonRpcMethod method = methods.get(request.getMethod());
           try {
-            LOG.info("WS-RPC request -> {}", request.getMethod());
+            LOG.debug("WS-RPC request -> {}", request.getMethod());
             request.setConnectionId(id);
             future.complete(method.response(request));
           } catch (final Exception e) {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManager.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManager.java
index 935d7cf969..4b419824a3 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManager.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManager.java
@@ -56,7 +56,7 @@ public class SubscriptionManager extends AbstractVerticle {
   }
 
   public Long subscribe(final SubscribeRequest request) {
-    LOG.info("Subscribe request {}", request);
+    LOG.debug("Subscribe request {}", request);
 
     final long subscriptionId = subscriptionCounter.incrementAndGet();
     final Subscription subscription = subscriptionBuilder.build(subscriptionId, request);
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkRunner.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkRunner.java
index 6473664763..d9e0cbb01d 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkRunner.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkRunner.java
@@ -120,7 +120,7 @@ public class NetworkRunner implements AutoCloseable {
                 final int code = message.getData().getCode();
                 if (!protocol.isValidMessageCode(cap.getVersion(), code)) {
                   // Handle invalid messsages by disconnecting
-                  LOG.info(
+                  LOG.debug(
                       "Invalid message code ({}-{}, {}) received from peer, disconnecting from:",
                       cap.getName(),
                       cap.getVersion(),
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/AbstractHandshakeHandler.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/AbstractHandshakeHandler.java
index 31e3fa4ac9..97ebd34b2d 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/AbstractHandshakeHandler.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/AbstractHandshakeHandler.java
@@ -82,7 +82,7 @@ abstract class AbstractHandshakeHandler extends SimpleChannelInboundHandler<Byte
 
       final BytesValue nodeId = handshaker.partyPubKey().getEncodedBytes();
       if (peerConnectionRegistry.isAlreadyConnected(nodeId)) {
-        LOG.info("Rejecting connection from already connected client {}", nodeId);
+        LOG.debug("Rejecting connection from already connected client {}", nodeId);
         ctx.writeAndFlush(
                 new OutboundMessage(
                     null, DisconnectMessage.create(DisconnectReason.ALREADY_CONNECTED)))
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/WireKeepAlive.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/WireKeepAlive.java
index 060014fc87..ab3b43fdd5 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/WireKeepAlive.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/WireKeepAlive.java
@@ -49,7 +49,7 @@ final class WireKeepAlive extends ChannelDuplexHandler {
 
     if (waitingForPong.get()) {
       // We are still waiting for a response from our last pong, disconnect with timeout error
-      LOG.info("Wire PONG never received, disconnecting from peer.");
+      LOG.debug("Wire PONG never received, disconnecting from peer.");
       connection.disconnect(DisconnectReason.TIMEOUT);
       return;
     }