diff --git a/llvm/unittests/Analysis/AssumeBundleQueriesTest.cpp b/llvm/unittests/Analysis/AssumeBundleQueriesTest.cpp
index 7a86e28ed59e6..61a2031a8f81f 100644
--- a/llvm/unittests/Analysis/AssumeBundleQueriesTest.cpp
+++ b/llvm/unittests/Analysis/AssumeBundleQueriesTest.cpp
@@ -407,7 +407,6 @@ static void RunRandTest(uint64_t Seed, int Size, int MinCount, int MaxCount,
   LLVMContext C;
   SMDiagnostic Err;
 
-  std::random_device dev;
   std::mt19937 Rng(Seed);
   std::uniform_int_distribution<int> DistCount(MinCount, MaxCount);
   std::uniform_int_distribution<unsigned> DistValue(0, MaxValue);