diff --git a/Source/WarpX.cpp b/Source/WarpX.cpp
index b2d3fa67c19..b3709127d1c 100644
--- a/Source/WarpX.cpp
+++ b/Source/WarpX.cpp
@@ -329,6 +329,9 @@ void
 WarpX::Finalize()
 {
     WarpX::ResetInstance();
+
+    // Clear all of the warning messages
+    ablastr::warn_manager::WMClear();
 }
 
 WarpX::WarpX ()
diff --git a/Source/ablastr/utils/msg_logger/MsgLogger.H b/Source/ablastr/utils/msg_logger/MsgLogger.H
index 088a613bc87..2e1ce7365a2 100644
--- a/Source/ablastr/utils/msg_logger/MsgLogger.H
+++ b/Source/ablastr/utils/msg_logger/MsgLogger.H
@@ -224,6 +224,11 @@ namespace ablastr::utils::msg_logger
         [[nodiscard]] std::vector<MsgWithCounterAndRanks>
         collective_gather_msgs_with_counter_and_ranks() const;
 
+        /**
+         * \brief Clear all messages
+         */
+        void clear() { m_messages.clear(); }
+
         private:
 
         /**
diff --git a/Source/ablastr/warn_manager/WarnManager.H b/Source/ablastr/warn_manager/WarnManager.H
index 56ff1bf1a1a..c9f0eedcbd1 100644
--- a/Source/ablastr/warn_manager/WarnManager.H
+++ b/Source/ablastr/warn_manager/WarnManager.H
@@ -74,6 +74,9 @@ namespace ablastr::warn_manager
         */
         ~WarnManager() = default;
 
+        /**
+         * \brief Return the static WarnManager singleton
+         */
         static WarnManager& GetInstance();
 
         /**
@@ -145,6 +148,11 @@ namespace ablastr::warn_manager
         */
         void debug_read_warnings_from_input(const amrex::ParmParse& params);
 
+        /**
+         * \brief Clear all warning messages
+         */
+        void Clear();
+
         static const int warn_line_size = 80 /*! Maximum line length to be used in formatting warning list*/;
         static const int warn_tab_size = 5 /*! Tabulation size to be used in formatting warning list*/;
 
@@ -228,6 +236,11 @@ namespace ablastr::warn_manager
         const std::string& topic,
         const std::string& text,
         const WarnPriority& priority = WarnPriority::medium);
+
+    /**
+     * \brief Clear all warning messages
+     */
+    void WMClear();
 }
 
 #endif //ABLASTR_WARN_MANAGER_H_
diff --git a/Source/ablastr/warn_manager/WarnManager.cpp b/Source/ablastr/warn_manager/WarnManager.cpp
index e7544c7a3a4..76a272ff83f 100644
--- a/Source/ablastr/warn_manager/WarnManager.cpp
+++ b/Source/ablastr/warn_manager/WarnManager.cpp
@@ -312,6 +312,11 @@ WarnManager::MsgFormatter(
     return ss_out.str();
 }
 
+void WarnManager::Clear()
+{
+    m_p_logger->clear();
+}
+
 WarnManager& ablastr::warn_manager::GetWMInstance()
 {
     return WarnManager::GetInstance();
@@ -325,3 +330,8 @@ void ablastr::warn_manager::WMRecordWarning(
     WarnManager::GetInstance().RecordWarning(
         topic, text, priority);
 }
+
+void ablastr::warn_manager::WMClear()
+{
+    WarnManager::GetInstance().Clear();
+}