diff --git a/.gitmodules b/.gitmodules
index 5757361..a1fe528 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,6 +4,3 @@
 [submodule "pymisp/tools/pdf_fonts"]
 	path = pymisp/tools/pdf_fonts
 	url = https://github.com/MISP/pdf_fonts
-[submodule "tests/viper-test-files"]
-	path = tests/viper-test-files
-	url = https://github.com/viper-framework/viper-test-files.git