diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -109,8 +109,6 @@
 #
 set(extractorcollection_SRCS
     extractorcollectiontest.cpp
-    ../src/extractorcollection.cpp
-    ../src/externalextractor.cpp
 )
 
 ecm_add_test(${extractorcollection_SRCS}