diff --git a/llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/SeedCollector.h b/llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/SeedCollector.h
index 626fcb5afcb90b..6bad38b637d2a8 100644
--- a/llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/SeedCollector.h
+++ b/llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/SeedCollector.h
@@ -236,7 +236,6 @@ class SeedContainer {
     }
     // Iterators iterate over the bundles
     iterator &operator++() {
-      assert(VecIdx >= 0 && "Already at end!");
       ++VecIdx;
       if (VecIdx >= Vec->size()) {
         assert(MapIt != Map->end() && "Already at end!");