diff --git a/libdevcore/TrieCommon.cpp b/libdevcore/TrieCommon.cpp
index ff44906b1..5bf6070ee 100644
--- a/libdevcore/TrieCommon.cpp
+++ b/libdevcore/TrieCommon.cpp
@@ -60,7 +60,7 @@ std::string hexPrefixEncode(bytes const& _hexVector, bool _leaf, int _begin, int
 std::string hexPrefixEncode(bytesConstRef _data, bool _leaf, int _beginNibble, int _endNibble, unsigned _offset)
 {
 	unsigned begin = _beginNibble + _offset;
-	unsigned end = (_endNibble < 0 ? (_data.size() * 2 - _offset) + 1 + _endNibble : _endNibble) + _offset;
+	unsigned end = (_endNibble < 0 ? ((int)(_data.size() * 2 - _offset) + 1) + _endNibble : _endNibble) + _offset;
 	bool odd = (end - begin) & 1;
 
 	std::string ret(1, ((_leaf ? 2 : 0) | (odd ? 1 : 0)) * 16);
diff --git a/libethereum/EthereumHost.cpp b/libethereum/EthereumHost.cpp
index 4a13a247f..9980f4339 100644
--- a/libethereum/EthereumHost.cpp
+++ b/libethereum/EthereumHost.cpp
@@ -178,8 +178,9 @@ tuple<vector<shared_ptr<EthereumPeer>>, vector<shared_ptr<EthereumPeer>>, vector
 		return true;
 	});
 
-	chosen.reserve((peerCount * _percent + 99) / 100);
-	for (unsigned i = (peerCount * _percent + 99) / 100; i-- && allowed.size();)
+	size_t chosenSize = (peerCount * _percent + 99) / 100;
+	chosen.reserve(chosenSize);
+	for (unsigned i = chosenSize; i && allowed.size(); i--)
 	{
 		unsigned n = rand() % allowed.size();
 		chosen.push_back(std::move(allowed[n]));
diff --git a/libsolidity/CompilerUtils.cpp b/libsolidity/CompilerUtils.cpp
index 5bd6de13b..e763a3941 100644
--- a/libsolidity/CompilerUtils.cpp
+++ b/libsolidity/CompilerUtils.cpp
@@ -91,13 +91,11 @@ void CompilerUtils::loadFromMemoryDynamic(
 	}
 }
 
-unsigned CompilerUtils::storeInMemory(unsigned _offset, Type const& _type, bool _padToWordBoundaries)
+void CompilerUtils::storeInMemory(unsigned _offset)
 {
-	solAssert(_type.getCategory() != Type::Category::Array, "Unable to statically store dynamic type.");
-	unsigned numBytes = prepareMemoryStore(_type, _padToWordBoundaries);
+	unsigned numBytes = prepareMemoryStore(IntegerType(256), true);
 	if (numBytes > 0)
 		m_context << u256(_offset) << eth::Instruction::MSTORE;
-	return numBytes;
 }
 
 void CompilerUtils::storeInMemoryDynamic(Type const& _type, bool _padToWordBoundaries)
@@ -599,11 +597,10 @@ unsigned CompilerUtils::getSizeOnStack(vector<shared_ptr<Type const>> const& _va
 	return size;
 }
 
-void CompilerUtils::computeHashStatic(Type const& _type, bool _padToWordBoundaries)
+void CompilerUtils::computeHashStatic()
 {
-	unsigned length = storeInMemory(0, _type, _padToWordBoundaries);
-	solAssert(length <= CompilerUtils::freeMemoryPointer, "");
-	m_context << u256(length) << u256(0) << eth::Instruction::SHA3;
+	storeInMemory(0);
+	m_context << u256(32) << u256(0) << eth::Instruction::SHA3;
 }
 
 unsigned CompilerUtils::loadFromMemoryHelper(Type const& _type, bool _fromCalldata, bool _padToWordBoundaries)
diff --git a/libsolidity/CompilerUtils.h b/libsolidity/CompilerUtils.h
index a880f9ee4..9a599f7fa 100644
--- a/libsolidity/CompilerUtils.h
+++ b/libsolidity/CompilerUtils.h
@@ -65,16 +65,10 @@ public:
 		bool _padToWordBoundaries = true,
 		bool _keepUpdatedMemoryOffset = true
 	);
-	/// Stores data from stack in memory.
+	/// Stores a 256 bit integer from stack in memory.
 	/// @param _offset offset in memory
 	/// @param _type type of the data on the stack
-	/// @param _padToWordBoundaries if true, pad the data to word (32 byte) boundaries
-	/// @returns the number of bytes written to memory (can be different from _bytes if
-	///          _padToWordBoundaries is true)
-	unsigned storeInMemory(unsigned _offset,
-		Type const& _type = IntegerType(256),
-		bool _padToWordBoundaries = false
-	);
+	void storeInMemory(unsigned _offset);
 	/// Dynamic version of @see storeInMemory, expects the memory offset below the value on the stack
 	/// and also updates that. For arrays, only copies the data part.
 	/// Stack pre: memory_offset value...
@@ -124,10 +118,8 @@ public:
 	static unsigned getSizeOnStack(std::vector<T> const& _variables);
 	static unsigned getSizeOnStack(std::vector<std::shared_ptr<Type const>> const& _variableTypes);
 
-	/// Appends code that computes tha SHA3 hash of the topmost stack element of type @a _type.
-	/// If @a _pad is set, padds the type to muliples of 32 bytes.
-	/// @note Only works for types of fixed size.
-	void computeHashStatic(Type const& _type = IntegerType(256), bool _padToWordBoundaries = false);
+	/// Appends code that computes tha SHA3 hash of the topmost stack element of 32 byte type.
+	void computeHashStatic();
 
 	/// Bytes we need to the start of call data.
 	///  - The size in bytes of the function (hash) identifier.