5 files changed, 0 insertions, 20 deletions
diff --git a/src/ir/ReFinalize.cpp b/src/ir/ReFinalize.cpp
index 32b38325d..014ee184e 100644
--- a/src/ir/ReFinalize.cpp
+++ b/src/ir/ReFinalize.cpp
@@ -136,14 +136,6 @@ void ReFinalize::visitRefEq(RefEq* curr) { curr->finalize(); }
 void ReFinalize::visitTry(Try* curr) { curr->finalize(); }
 void ReFinalize::visitThrow(Throw* curr) { curr->finalize(); }
 void ReFinalize::visitRethrow(Rethrow* curr) { curr->finalize(); }
-void ReFinalize::visitBrOnExn(BrOnExn* curr) {
-  curr->finalize();
-  if (curr->exnref->type == Type::unreachable) {
-    replaceUntaken(curr->exnref, nullptr);
-  } else {
-    updateBreakValueType(curr->name, curr->sent);
-  }
-}
 void ReFinalize::visitNop(Nop* curr) { curr->finalize(); }
 void ReFinalize::visitUnreachable(Unreachable* curr) { curr->finalize(); }
 void ReFinalize::visitPop(Pop* curr) { curr->finalize(); }
diff --git a/src/ir/abstract.h b/src/ir/abstract.h
index d4a93b011..4c8d556cb 100644
--- a/src/ir/abstract.h
+++ b/src/ir/abstract.h
@@ -115,7 +115,6 @@ inline UnaryOp getUnary(Type type, Op op) {
     case Type::v128:
     case Type::funcref:
     case Type::externref:
-    case Type::exnref:
     case Type::anyref:
     case Type::eqref:
     case Type::dataref:
@@ -289,7 +288,6 @@ inline BinaryOp getBinary(Type type, Op op) {
     case Type::v128:
     case Type::funcref:
     case Type::externref:
-    case Type::exnref:
     case Type::anyref:
     case Type::eqref:
     case Type::dataref:
diff --git a/src/ir/branch-utils.h b/src/ir/branch-utils.h
index 2e7ef470d..5e2cc5184 100644
--- a/src/ir/branch-utils.h
+++ b/src/ir/branch-utils.h
@@ -80,8 +80,6 @@ void operateOnScopeNameUsesAndSentTypes(Expression* expr, T func) {
       func(name, br->value ? br->value->type : Type::none);
     } else if (auto* sw = expr->dynCast<Switch>()) {
       func(name, sw->value ? sw->value->type : Type::none);
-    } else if (auto* br = expr->dynCast<BrOnExn>()) {
-      func(name, br->sent);
     } else if (auto* br = expr->dynCast<BrOnCast>()) {
       func(name, br->getCastType());
     } else {
diff --git a/src/ir/cost.h b/src/ir/cost.h
index 7f8e39e1b..46213880b 100644
--- a/src/ir/cost.h
+++ b/src/ir/cost.h
@@ -562,9 +562,6 @@ struct CostAnalyzer : public OverriddenVisitor<CostAnalyzer, Index> {
     return ret;
   }
   Index visitRethrow(Rethrow* curr) { return 100; }
-  Index visitBrOnExn(BrOnExn* curr) {
-    return 1 + visit(curr->exnref) + curr->sent.size();
-  }
   Index visitTupleMake(TupleMake* curr) {
     Index ret = 0;
     for (auto* child : curr->operands) {
diff --git a/src/ir/effects.h b/src/ir/effects.h
index 22fab593d..e9e8d0f6c 100644
--- a/src/ir/effects.h
+++ b/src/ir/effects.h
@@ -538,11 +538,6 @@ private:
       // traps when the arg is null
       parent.implicitTrap = true;
     }
-    void visitBrOnExn(BrOnExn* curr) {
-      parent.breakTargets.insert(curr->name);
-      // traps when the arg is null
-      parent.implicitTrap = true;
-    }
     void visitNop(Nop* curr) {}
     void visitUnreachable(Unreachable* curr) { parent.trap = true; }
     void visitPop(Pop* curr) {