diff --git a/src/mapblock.cpp b/src/mapblock.cpp
index 6d61508fa..ca2145cef 100644
--- a/src/mapblock.cpp
+++ b/src/mapblock.cpp
@@ -70,8 +70,7 @@ MapBlock::MapBlock(Map *parent, v3s16 pos, IGameDef *gamedef):
 		m_parent(parent),
 		m_pos(pos),
 		m_pos_relative(pos * MAP_BLOCKSIZE),
-		m_gamedef(gamedef),
-		data(new MapNode[nodecount])
+		m_gamedef(gamedef)
 {
 	reallocate();
 }
@@ -84,8 +83,6 @@ MapBlock::~MapBlock()
 		mesh = nullptr;
 	}
 #endif
-
-	delete[] data;
 }
 
 bool MapBlock::isValidPositionParent(v3s16 p)
diff --git a/src/mapblock.h b/src/mapblock.h
index 0aa0139c6..1ab0ce80c 100644
--- a/src/mapblock.h
+++ b/src/mapblock.h
@@ -481,8 +481,6 @@ private:
 
 	IGameDef *m_gamedef;
 
-	MapNode *const data;
-
 	/*
 		- On the server, this is used for telling whether the
 		  block has been modified from the one on disk.
@@ -536,6 +534,8 @@ private:
 		the list of blocks to be drawn.
 	*/
 	int m_refcount = 0;
+
+	MapNode data[nodecount];
 };
 
 typedef std::vector<MapBlock*> MapBlockVect;
diff --git a/src/mapnode.h b/src/mapnode.h
index 43ce7e621..c3137bbcb 100644
--- a/src/mapnode.h
+++ b/src/mapnode.h
@@ -135,7 +135,7 @@ struct ContentFeatures;
 */
 
 
-struct MapNode
+struct alignas(u32) MapNode
 {
 	/*
 		Main content