diff --git a/mempool/reactor.go b/mempool/reactor.go
index 2c8b1c2cd..c725a3027 100644
--- a/mempool/reactor.go
+++ b/mempool/reactor.go
@@ -180,7 +180,7 @@ func (r *Reactor) handleMempoolMessage(envelope p2p.Envelope) error {
 
 		for _, tx := range protoTxs {
 			if err := r.mempool.CheckTx(types.Tx(tx), nil, txInfo); err != nil {
-				logger.Error("checktx failed for tx", "tx", txID(tx), "err", err)
+				logger.Error("checktx failed for tx", "tx", fmt.Sprintf("%X", txID(tx)), "err", err)
 			}
 		}
 
@@ -376,7 +376,7 @@ func (r *Reactor) broadcastTxRoutine(peerID p2p.NodeID, closer *tmsync.Closer) {
 					Txs: [][]byte{memTx.tx},
 				},
 			}
-			r.Logger.Debug("gossiped tx to peer", "tx", txID(memTx.tx), "peer", peerID)
+			r.Logger.Debug("gossiped tx to peer", "tx", fmt.Sprintf("%X", txID(memTx.tx)), "peer", peerID)
 		}
 
 		select {
diff --git a/rpc/jsonrpc/server/http_json_handler.go b/rpc/jsonrpc/server/http_json_handler.go
index 6731384f9..1dd215fe0 100644
--- a/rpc/jsonrpc/server/http_json_handler.go
+++ b/rpc/jsonrpc/server/http_json_handler.go
@@ -97,8 +97,9 @@ func makeJSONRPCHandler(funcMap map[string]*RPCFunc, logger log.Logger) http.Han
 				}
 				args = append(args, fnArgs...)
 			}
+
 			returns := rpcFunc.f.Call(args)
-			logger.Info("HTTPJSONRPC", "method", request.Method, "args", args, "returns", returns)
+
 			result, err := unreflectResult(returns)
 			switch e := err.(type) {
 			// if no error then return a success response
@@ -122,6 +123,7 @@ func makeJSONRPCHandler(funcMap map[string]*RPCFunc, logger log.Logger) http.Han
 				}
 			}
 		}
+
 		if len(responses) > 0 {
 			WriteRPCResponseHTTP(w, responses...)
 		}
diff --git a/rpc/jsonrpc/server/http_server.go b/rpc/jsonrpc/server/http_server.go
index 14238bf8a..52d46740b 100644
--- a/rpc/jsonrpc/server/http_server.go
+++ b/rpc/jsonrpc/server/http_server.go
@@ -221,9 +221,11 @@ func RecoverAndLogHandler(handler http.Handler, logger log.Logger) http.Handler
 			if rww.Status == -1 {
 				rww.Status = 200
 			}
-			logger.Info("Served RPC HTTP response",
-				"method", r.Method, "url", r.URL,
-				"status", rww.Status, "duration", durationMS,
+			logger.Debug("served RPC HTTP response",
+				"method", r.Method,
+				"url", r.URL,
+				"status", rww.Status,
+				"duration", durationMS,
 				"remoteAddr", r.RemoteAddr,
 			)
 		}()
diff --git a/test/e2e/runner/rpc.go b/test/e2e/runner/rpc.go
index da94bd911..f526e00d0 100644
--- a/test/e2e/runner/rpc.go
+++ b/test/e2e/runner/rpc.go
@@ -92,18 +92,22 @@ func waitForNode(node *e2e.Node, height int64, timeout time.Duration) (*rpctypes
 
 // waitForAllNodes waits for all nodes to become available and catch up to the given block height.
 func waitForAllNodes(testnet *e2e.Testnet, height int64, timeout time.Duration) (int64, error) {
-	lastHeight := int64(0)
+	var lastHeight int64
+
 	for _, node := range testnet.Nodes {
 		if node.Mode == e2e.ModeSeed {
 			continue
 		}
+
 		status, err := waitForNode(node, height, timeout)
 		if err != nil {
 			return 0, err
 		}
+
 		if status.SyncInfo.LatestBlockHeight > lastHeight {
 			lastHeight = status.SyncInfo.LatestBlockHeight
 		}
 	}
+
 	return lastHeight, nil
 }