diff --git a/tests/libtest/Makefile.am b/tests/libtest/Makefile.am
index a60c5ed39d..60b90f29d9 100644
--- a/tests/libtest/Makefile.am
+++ b/tests/libtest/Makefile.am
@@ -99,7 +99,6 @@ $(BUNDLE_SRC): $(top_srcdir)/scripts/mk-unity.pl Makefile.inc $(FIRSTFILES) $(UT
 
 noinst_PROGRAMS = $(BUNDLE)
 nodist_libtests_SOURCES = $(BUNDLE_SRC)
-libtests_SOURCES =
 CLEANFILES = $(BUNDLE_SRC) lib1521.c
 
 lib1521.c: $(top_srcdir)/tests/libtest/mk-lib1521.pl $(top_srcdir)/include/curl/curl.h
diff --git a/tests/server/CMakeLists.txt b/tests/server/CMakeLists.txt
index 63b87246d7..2a73c5b73e 100644
--- a/tests/server/CMakeLists.txt
+++ b/tests/server/CMakeLists.txt
@@ -36,7 +36,7 @@ add_custom_command(
     ${FIRSTFILES} ${UTILS} ${CURLX_SRCS} ${TESTFILES}
   VERBATIM)
 
-add_executable(servers EXCLUDE_FROM_ALL "${BUNDLE_SRC}" ${_sources_extra})
+add_executable(servers EXCLUDE_FROM_ALL "${BUNDLE_SRC}")
 add_dependencies(testdeps servers)
 target_include_directories(servers PRIVATE
   "${PROJECT_BINARY_DIR}/lib"           # for "curl_config.h"