diff --git a/mailnews/news/tests/nsNNTPCategoryContainerStub.cpp b/mailnews/news/tests/nsNNTPCategoryContainerStub.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/mailnews/news/tests/nsNNTPHostStub.cpp b/mailnews/news/tests/nsNNTPHostStub.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/mailnews/news/tests/nsNNTPNewsgroupListStub.cpp b/mailnews/news/tests/nsNNTPNewsgroupListStub.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/mailnews/news/tests/nsNNTPNewsgroupStub.cpp b/mailnews/news/tests/nsNNTPNewsgroupStub.cpp
deleted file mode 100644
index e69de29bb2d..00000000000