diff --git a/client/rpc/src/integration-test/kotlin/net/corda/client/rpc/RPCStabilityTests.kt b/client/rpc/src/integration-test/kotlin/net/corda/client/rpc/RPCStabilityTests.kt
index 6875840d04..e476e0e581 100644
--- a/client/rpc/src/integration-test/kotlin/net/corda/client/rpc/RPCStabilityTests.kt
+++ b/client/rpc/src/integration-test/kotlin/net/corda/client/rpc/RPCStabilityTests.kt
@@ -70,7 +70,11 @@ class RPCStabilityTests {
     private fun waitUntilNumberOfThreadsStable(executorService: ScheduledExecutorService): Map<Thread, List<StackTraceElement>> {
         val values = ConcurrentLinkedQueue<Map<Thread, List<StackTraceElement>>>()
         return poll(executorService, "number of threads to become stable", 250.millis) {
-            values.add(Thread.getAllStackTraces().mapValues { it.value.toList() })
+            // Exclude threads which we don't use for timing our tests
+            val map: Map<Thread, List<StackTraceElement>> = Thread.getAllStackTraces()
+                .filterKeys { !it.name.contains("ForkJoinPool.commonPool") }
+                .mapValues { it.value.toList() }
+            values.add(map)
             if (values.size > 5) {
                 values.poll()
             }
diff --git a/node/src/integration-test-slow/kotlin/net/corda/node/services/rpc/RpcReconnectTests.kt b/node/src/integration-test-slow/kotlin/net/corda/node/services/rpc/RpcReconnectTests.kt
index 9ec17b4bf8..5c3f103377 100644
--- a/node/src/integration-test-slow/kotlin/net/corda/node/services/rpc/RpcReconnectTests.kt
+++ b/node/src/integration-test-slow/kotlin/net/corda/node/services/rpc/RpcReconnectTests.kt
@@ -54,8 +54,8 @@ import kotlin.test.currentStackTrace
 class RpcReconnectTests {
 
     companion object {
-        // 150 flows take ~5 minutes
-        const val NUMBER_OF_FLOWS_TO_RUN = 150
+        // this many flows take ~5 minutes
+        const val NUMBER_OF_FLOWS_TO_RUN = 100
 
         private val log = contextLogger()
     }