diff --git a/src/core/mem_map.h b/src/core/mem_map.h
index 71f90cb8a0e669bf4d92dc3bb59e1459b3c9bab8..b6944deb4a1528270509f23345995c73f064d6f0 100644
--- a/src/core/mem_map.h
+++ b/src/core/mem_map.h
@@ -134,20 +134,11 @@ extern u8* g_tls_mem;     ///< TLS memory
 void Init();
 void Shutdown();
 
-template <typename T>
-inline void Read(T &var, VAddr addr);
-
-template <typename T>
-inline void Write(VAddr addr, T data);
-
 u8 Read8(VAddr addr);
 u16 Read16(VAddr addr);
 u32 Read32(VAddr addr);
 u64 Read64(VAddr addr);
 
-u32 Read8_ZX(VAddr addr);
-u32 Read16_ZX(VAddr addr);
-
 void Write8(VAddr addr, u8 data);
 void Write16(VAddr addr, u16 data);
 void Write32(VAddr addr, u32 data);
diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp
index a8e0fed0772098d3d211a3ca9e026fe5741d1b84..f2da60cc6940094a348f34572368c6170884e2e3 100644
--- a/src/core/mem_map_funcs.cpp
+++ b/src/core/mem_map_funcs.cpp
@@ -225,27 +225,19 @@ u8 Read8(const VAddr addr) {
 u16 Read16(const VAddr addr) {
     u16_le data = 0;
     Read<u16_le>(data, addr);
-    return (u16)data;
+    return data;
 }
 
 u32 Read32(const VAddr addr) {
     u32_le data = 0;
     Read<u32_le>(data, addr);
-    return (u32)data;
+    return data;
 }
 
 u64 Read64(const VAddr addr) {
     u64_le data = 0;
     Read<u64_le>(data, addr);
-    return (u64)data;
-}
-
-u32 Read8_ZX(const VAddr addr) {
-    return (u32)Read8(addr);
-}
-
-u32 Read16_ZX(const VAddr addr) {
-    return (u32)Read16(addr);
+    return data;
 }
 
 void Write8(const VAddr addr, const u8 data) {