diff --git a/src/frontend/ir/basic_block.cpp b/src/frontend/ir/basic_block.cpp
index b7615f52..433eb08f 100644
--- a/src/frontend/ir/basic_block.cpp
+++ b/src/frontend/ir/basic_block.cpp
@@ -27,9 +27,9 @@ Block::Block(const LocationDescriptor& location)
 
 Block::~Block() = default;
 
-Block::Block(Block&&) = default;
+Block::Block(Block&&) noexcept = default;
 
-Block& Block::operator=(Block&&) = default;
+Block& Block::operator=(Block&&) noexcept = default;
 
 void Block::AppendNewInst(Opcode opcode, std::initializer_list<IR::Value> args) {
     PrependNewInst(end(), opcode, args);
diff --git a/src/frontend/ir/basic_block.h b/src/frontend/ir/basic_block.h
index ade9b15b..2ff554a8 100644
--- a/src/frontend/ir/basic_block.h
+++ b/src/frontend/ir/basic_block.h
@@ -47,8 +47,8 @@ public:
     Block(const Block&) = delete;
     Block& operator=(const Block&) = delete;
 
-    Block(Block&&);
-    Block& operator=(Block&&);
+    Block(Block&&) noexcept;
+    Block& operator=(Block&&) noexcept;
 
     bool                   empty()   const { return instructions.empty();   }
     size_type              size()    const { return instructions.size();    }