diff --git a/src/coreclr/jit/compiler.cpp b/src/coreclr/jit/compiler.cpp
index 2ed11f5ff9e2cf..8ac6d4ec65e35a 100644
--- a/src/coreclr/jit/compiler.cpp
+++ b/src/coreclr/jit/compiler.cpp
@@ -4769,12 +4769,12 @@ void Compiler::compCompile(void** methodCodePtr, uint32_t* methodCodeSize, JitFl
     //
     DoPhase(this, PHASE_GS_COOKIE, &Compiler::gsPhase);
 
-    // Compute the block weights
-    //
-    DoPhase(this, PHASE_COMPUTE_BLOCK_WEIGHTS, &Compiler::fgComputeBlockWeights);
-
     if (opts.OptimizationEnabled())
     {
+        // Compute the block weights
+        //
+        DoPhase(this, PHASE_COMPUTE_BLOCK_WEIGHTS, &Compiler::fgComputeBlockWeights);
+
         // Invert loops
         //
         DoPhase(this, PHASE_INVERT_LOOPS, &Compiler::optInvertLoops);