diff --git a/src/coreclr/format.patch b/src/coreclr/format.patch
deleted file mode 100644
index 3759a98288680..0000000000000
--- a/src/coreclr/format.patch
+++ /dev/null
@@ -1,47 +0,0 @@
-diff --git a/src/coreclr/src/jit/importer.cpp b/src/coreclr/src/jit/importer.cpp
-index a71c325ff48..c0569355c89 100644
---- a/src/coreclr/src/jit/importer.cpp
-+++ b/src/coreclr/src/jit/importer.cpp
-@@ -15184,41 +15184,41 @@ void Compiler::impImportBlockCode(BasicBlock* block)
-                             info.compCompHnd->compareTypesForEquality(resolvedToken.hClass, clsHnd);
- 
-                         if (compare == TypeCompareState::Must)
-                         {
-                             JITDUMP("\nOptimizing %s (%s) -- type test will succeed\n",
-                                     opcode == CEE_UNBOX ? "UNBOX" : "UNBOX.ANY", eeGetClassName(clsHnd));
- 
-                             // For UNBOX, null check (if necessary), and then leave the box payload byref on the stack.
-                             if (opcode == CEE_UNBOX)
-                             {
-                                 GenTree* cloneOperand;
-                                 op1 = impCloneExpr(op1, &cloneOperand, NO_CLASS_HANDLE, (unsigned)CHECK_SPILL_ALL,
-                                                    nullptr DEBUGARG("optimized unbox clone"));
- 
-                                 GenTree* boxPayloadOffset = gtNewIconNode(TARGET_POINTER_SIZE, TYP_I_IMPL);
-                                 GenTree* boxPayloadAddress =
-                                     gtNewOperNode(GT_ADD, TYP_BYREF, cloneOperand, boxPayloadOffset);
-                                 GenTree* nullcheck = gtNewOperNode(GT_NULLCHECK, TYP_I_IMPL, op1);
-                                 block->bbFlags |= BBF_HAS_NULLCHECK;
-                                 optMethodFlags |= OMF_HAS_NULLCHECK;
--                                GenTree* result    = gtNewOperNode(GT_COMMA, TYP_BYREF, nullcheck, boxPayloadAddress);
-+                                GenTree* result = gtNewOperNode(GT_COMMA, TYP_BYREF, nullcheck, boxPayloadAddress);
-                                 impPushOnStack(result, tiRetVal);
-                                 break;
-                             }
- 
-                             // For UNBOX.ANY load the struct from the box payload byref (the load will nullcheck)
-                             assert(opcode == CEE_UNBOX_ANY);
-                             GenTree* boxPayloadOffset  = gtNewIconNode(TARGET_POINTER_SIZE, TYP_I_IMPL);
-                             GenTree* boxPayloadAddress = gtNewOperNode(GT_ADD, TYP_BYREF, op1, boxPayloadOffset);
-                             impPushOnStack(boxPayloadAddress, tiRetVal);
-                             oper = GT_OBJ;
-                             goto OBJ;
-                         }
-                         else
-                         {
-                             JITDUMP("\nUnable to optimize %s -- can't resolve type comparison\n",
-                                     opcode == CEE_UNBOX ? "UNBOX" : "UNBOX.ANY");
-                         }
-                     }
-                     else
-                     {