diff --git a/libgnucash/engine/test/CMakeLists.txt b/libgnucash/engine/test/CMakeLists.txt
index b1ff56f965..14513d91b3 100644
--- a/libgnucash/engine/test/CMakeLists.txt
+++ b/libgnucash/engine/test/CMakeLists.txt
@@ -204,7 +204,6 @@ gnc_add_test(test-qofevent "${test_qofevent_SOURCES}"
 
 
 set(test_engine_SOURCES_DIST
-        dummy.cpp
         gtest-gnc-euro.cpp
         gtest-gnc-int128.cpp
         gtest-gnc-rational.cpp
diff --git a/libgnucash/engine/test/dummy.cpp b/libgnucash/engine/test/dummy.cpp
deleted file mode 100644
index 78752143ea..0000000000
--- a/libgnucash/engine/test/dummy.cpp
+++ /dev/null
@@ -1,2 +0,0 @@
-// This is a dummy source file since we need a C++ file in test_engine so
-// it will be linked as a C++ program.