diff --git a/desktop-widgets/CMakeLists.txt b/desktop-widgets/CMakeLists.txt
index 499dd27b9..1de8914ee 100644
--- a/desktop-widgets/CMakeLists.txt
+++ b/desktop-widgets/CMakeLists.txt
@@ -164,14 +164,8 @@ source_group("Subsurface Interface" FILES ${SUBSURFACE_INTERFACE})
 
 # the yearly statistics widget.
 set(SUBSURFACE_STATISTICS_LIB_SRCS
-	statistics/monthstatistics.cpp
-	statistics/monthstatistics.h
-	statistics/statisticsbar.cpp
-	statistics/statisticsbar.h
 	statistics/statisticswidget.cpp
 	statistics/statisticswidget.h
-	statistics/yearstatistics.cpp
-	statistics/yearstatistics.h
 )
 source_group("Subsurface Statistics" FILES ${SUBSURFACE_STATISTICS_LIB_SRCS})
 
diff --git a/desktop-widgets/statistics/monthstatistics.cpp b/desktop-widgets/statistics/monthstatistics.cpp
deleted file mode 100644
index e69de29bb..000000000
diff --git a/desktop-widgets/statistics/monthstatistics.h b/desktop-widgets/statistics/monthstatistics.h
deleted file mode 100644
index e69de29bb..000000000
diff --git a/desktop-widgets/statistics/statisticsbar.cpp b/desktop-widgets/statistics/statisticsbar.cpp
deleted file mode 100644
index e69de29bb..000000000
diff --git a/desktop-widgets/statistics/statisticsbar.h b/desktop-widgets/statistics/statisticsbar.h
deleted file mode 100644
index e69de29bb..000000000
diff --git a/desktop-widgets/statistics/yearstatistics.cpp b/desktop-widgets/statistics/yearstatistics.cpp
deleted file mode 100644
index e69de29bb..000000000
diff --git a/desktop-widgets/statistics/yearstatistics.h b/desktop-widgets/statistics/yearstatistics.h
deleted file mode 100644
index e69de29bb..000000000