diff --git a/llvm/lib/Transforms/Scalar/JumpThreading.cpp b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
--- a/llvm/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
@@ -2432,15 +2432,8 @@
       if (HasProfileData) // Update frequencies between Pred -> NewBB.
         NewBBFreq += FreqMap.lookup(Pred);
     }
-    if (HasProfileData) {
-      // Apply the summed frequency to NewBB.
+    if (HasProfileData) // Apply the summed frequency to NewBB.
       BFI->setBlockFreq(NewBB, NewBBFreq.getFrequency());
-
-      // NewBB has exactly one successor.
-      SmallVector<BranchProbability, 1> BBSuccProbs;
-      BBSuccProbs.push_back(BranchProbability::getOne());
-      BPI->setEdgeProbability(NewBB, BBSuccProbs);
-    }
   }
 
   DTU->applyUpdatesPermissive(Updates);
@@ -2513,11 +2506,6 @@
   // Update edge probabilities in BPI.
   BPI->setEdgeProbability(BB, BBSuccProbs);
 
-  // NewBB has exactly one successor.
-  SmallVector<BranchProbability, 1> NewBBSuccProbs;
-  NewBBSuccProbs.push_back(BranchProbability::getOne());
-  BPI->setEdgeProbability(NewBB, NewBBSuccProbs);
-
   // Update the profile metadata as well.
   //
   // Don't do this if the profile of the transformed blocks was statically
@@ -2728,13 +2716,6 @@
        PHINode *Phi = dyn_cast<PHINode>(BI); ++BI)
     if (Phi != SIUse)
       Phi->addIncoming(Phi->getIncomingValueForBlock(Pred), NewBB);
-
-  if (HasProfileData) {
-    // NewBB has exactly one successor.
-    SmallVector<BranchProbability, 1> BBSuccProbs;
-    BBSuccProbs.push_back(BranchProbability::getOne());
-    BPI->setEdgeProbability(NewBB, BBSuccProbs);
-  }
 }
 
 bool JumpThreadingPass::TryToUnfoldSelect(SwitchInst *SI, BasicBlock *BB) {
diff --git a/llvm/test/Transforms/JumpThreading/thread-prob-1.ll b/llvm/test/Transforms/JumpThreading/thread-prob-1.ll
deleted file mode 100644
--- a/llvm/test/Transforms/JumpThreading/thread-prob-1.ll
+++ /dev/null
@@ -1,42 +0,0 @@
-; RUN: opt -debug-only=branch-prob -jump-threading -S %s 2>&1 | FileCheck %s
-
-; Make sure that we set the branch probability for the newly created
-; basic block.
-
-define void @foo(i1 %arg1, i1 %arg2, i32 %arg3) !prof !0 !PGOFuncName !1 {
-entry:
-  call void @bar(i32 0)
-  br i1 %arg1, label %bb3, label %bb1, !prof !2
-
-bb1:
-  call void @bar(i32 1)
-  br i1 %arg2, label %bb2, label %bb3, !prof !3
-
-bb2:
-  call void @bar(i32 2)
-  br label %bb3
-
-bb3:
-; CHECK: set edge bb3.thr_comm -> 0 successor probability to 0x80000000 / 0x80000000
-%ptr = phi i32 [ 0, %bb1 ], [ 0, %entry ], [ %arg3, %bb2 ]
-  call void @bar(i32 3)
-  %bool = icmp eq i32 %ptr, 0
-  br i1 %bool, label %exit, label %bb4, !prof !4
-; CHECK: set edge bb3.thread -> 0 successor probability to 0x80000000 / 0x80000000
-
-bb4:
-  call void @bar(i32 %ptr)
-  br label %exit
-
-exit:
-  ret void
-}
-
-declare void @bar(i32)
-
-!0 = !{!"function_entry_count", i64 15985}
-!1 = !{!"foo:foo"}
-!2 = !{!"branch_weights", i32 15973, i32 36865}
-!3 = !{!"branch_weights", i32 2957, i32 5798}
-!4 = !{!"branch_weights", i32 1807, i32 35058}
-!5 = !{!"branch_weights", i32 38, i32 287958}
diff --git a/llvm/test/Transforms/JumpThreading/thread-prob-2.ll b/llvm/test/Transforms/JumpThreading/thread-prob-2.ll
deleted file mode 100644
--- a/llvm/test/Transforms/JumpThreading/thread-prob-2.ll
+++ /dev/null
@@ -1,32 +0,0 @@
-; RUN: opt -debug-only=branch-prob -jump-threading -S %s 2>&1 | FileCheck %s
-
-; Make sure that we set the branch probability for the newly created
-; basic block.
-
-define void @foo(i32 %v0, i1 %arg2) !prof !0 !PGOFuncName !1 {
-entry:
-  %bool1 = icmp eq i32 %v0, 0
-  br i1 %bool1, label %bb2, label %bb1, !prof !2
-
-bb1:
-  %sel = select i1 %arg2, i32 %v0, i32 0, !prof !3
-  br label %bb2
-; CHECK: set edge select.unfold -> 0 successor probability to 0x80000000 / 0x80000000
-
-bb2:
-  %phi = phi i32 [ %sel, %bb1 ], [ 0, %entry ]
-  %bool2 = icmp eq i32 %phi, 0
-  br i1 %bool2, label %exit, label %bb3, !prof !4
-
-bb3:
-  br label %exit
-
-exit:
-  ret void
-}
-
-!0 = !{!"function_entry_count", i64 15985}
-!1 = !{!"foo.cpp:foo"}
-!2 = !{!"branch_weights", i32 0, i32 36865}
-!3 = !{!"branch_weights", i32 35058, i32 1807}
-!4 = !{!"branch_weights", i32 1807, i32 35058}