diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
index 993368f7a9ac2..6bec4dfec8981 100644
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -1097,7 +1097,7 @@ static UniValue mockscheduler(const JSONRPCRequest& request)
     // check params are valid values
     RPCTypeCheck(request.params, {UniValue::VNUM});
     int64_t delta_seconds = request.params[0].get_int64();
-    if ((delta_seconds <= 0) || (delta_seconds > 3600)) {
+    if (delta_seconds <= 0 || delta_seconds > 3600) {
         throw std::runtime_error("delta_time must be between 1 and 3600 seconds (1 hr)");
     }
 
diff --git a/src/scheduler.cpp b/src/scheduler.cpp
index 0b08ff2d8b946..a3a37e7c154d3 100644
--- a/src/scheduler.cpp
+++ b/src/scheduler.cpp
@@ -5,6 +5,7 @@
 #include <scheduler.h>
 
 #include <random.h>
+#include <util/time.h>
 
 #include <assert.h>
 #include <utility>
@@ -79,7 +80,7 @@ void CScheduler::schedule(CScheduler::Function f, std::chrono::system_clock::tim
 
 void CScheduler::MockForward(std::chrono::seconds delta_seconds)
 {
-    assert(delta_seconds.count() > 0 && delta_seconds < std::chrono::hours{1});
+    assert(delta_seconds > 0s && delta_seconds <= 1h);
 
     {
         LOCK(newTaskMutex);