diff --git a/ext/TenetChainRulesTestUtilsExt.jl b/ext/TenetChainRulesTestUtilsExt.jl
index 8fdef1b0b..1565387e0 100644
--- a/ext/TenetChainRulesTestUtilsExt.jl
+++ b/ext/TenetChainRulesTestUtilsExt.jl
@@ -1,3 +1,5 @@
+__precompile__(false)
+
 module TenetChainRulesTestUtilsExt
 
 using Tenet