diff --git a/inc/IntelProcessor.h b/inc/IntelProcessor.h
index 2a77b29..01dd294 100644
--- a/inc/IntelProcessor.h
+++ b/inc/IntelProcessor.h
@@ -21,7 +21,7 @@ namespace EightBit {
 			int p = 0;
 			int q = 0;
 
-			opcode_decoded_t() {}
+			opcode_decoded_t() noexcept {}
 
 			opcode_decoded_t(const uint8_t opcode) {
 				x = (opcode & 0b11000000) >> 6;	// 0 - 3
diff --git a/inc/Memory.h b/inc/Memory.h
index 954ef0c..0bd2ef1 100644
--- a/inc/Memory.h
+++ b/inc/Memory.h
@@ -11,7 +11,7 @@ namespace EightBit {
 		static int load(std::ifstream& file, std::vector<uint8_t>& output, int writeOffset = 0, int readOffset = 0, int limit = -1, int maximumSize = -1);
 		static int load(const std::string& path, std::vector<uint8_t>& output, int writeOffset = 0, int readOffset = 0, int limit = -1, int maximumSize = -1);
 
-		Memory(const size_t size = 0)
+		Memory(const size_t size = 0) noexcept
 		: m_bytes(size) {
 		}
 
diff --git a/inc/Ram.h b/inc/Ram.h
index 2600634..8ef40e7 100644
--- a/inc/Ram.h
+++ b/inc/Ram.h
@@ -6,7 +6,7 @@
 namespace EightBit {
 	class Ram : public Memory {
 	public:
-		Ram(const size_t size = 0)
+		Ram(const size_t size = 0) noexcept
 		: Memory(size) {
 		}
 
diff --git a/inc/Register.h b/inc/Register.h
index 13184d3..0f2f5d5 100644
--- a/inc/Register.h
+++ b/inc/Register.h
@@ -30,8 +30,8 @@ namespace EightBit {
 #endif
 		};
 		uint16_t word;
-		register16_t() : word(0) {}
-		register16_t(uint16_t w) : word(w) {}
-		register16_t(uint8_t l, uint8_t h) : low(l),  high(h) {}
+		register16_t() noexcept : word(0) {}
+		register16_t(uint16_t w) noexcept : word(w) {}
+		register16_t(uint8_t l, uint8_t h) noexcept : low(l),  high(h) {}
 	} ;
 }