diff --git a/scwx-qt/source/scwx/qt/main/main_window.cpp b/scwx-qt/source/scwx/qt/main/main_window.cpp
index 6b865703..cadd9c90 100644
--- a/scwx-qt/source/scwx/qt/main/main_window.cpp
+++ b/scwx-qt/source/scwx/qt/main/main_window.cpp
@@ -52,10 +52,6 @@
 #include <QTimer>
 #include <QToolButton>
 
-#if (__cpp_lib_chrono < 201907L)
-#   include <date/date.h>
-#endif
-
 namespace scwx
 {
 namespace qt
diff --git a/scwx-qt/source/scwx/qt/map/overlay_layer.cpp b/scwx-qt/source/scwx/qt/map/overlay_layer.cpp
index a42bc2b3..9640a705 100644
--- a/scwx-qt/source/scwx/qt/map/overlay_layer.cpp
+++ b/scwx-qt/source/scwx/qt/map/overlay_layer.cpp
@@ -11,8 +11,6 @@
 #include <scwx/util/logger.hpp>
 #include <scwx/util/time.hpp>
 
-#include <chrono>
-
 #if defined(_MSC_VER)
 #   pragma warning(push, 0)
 #endif
@@ -22,10 +20,6 @@
 #include <QGuiApplication>
 #include <QMouseEvent>
 
-#if (__cpp_lib_chrono < 201907L)
-#   include <date/date.h>
-#endif
-
 #if defined(_MSC_VER)
 #   pragma warning(pop)
 #endif
diff --git a/scwx-qt/source/scwx/qt/view/level3_product_view.cpp b/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
index df65c693..d0bb0d47 100644
--- a/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
+++ b/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
@@ -17,10 +17,6 @@
 #include <boost/timer/timer.hpp>
 #include <fmt/format.h>
 
-#if (__cpp_lib_chrono < 201907L)
-#   include <date/date.h>
-#endif
-
 namespace scwx
 {
 namespace qt