diff --git a/libwhisper/Interface.h b/libwhisper/Interface.h
index 941cf3434..f53cb17a7 100644
--- a/libwhisper/Interface.h
+++ b/libwhisper/Interface.h
@@ -67,7 +67,6 @@ public:
 
 	virtual Topics const& fullTopics(unsigned _id) const = 0;
 	virtual unsigned installWatch(Topics const& _filter) = 0;
-//	virtual unsigned installWatchOnId(h256 _filterId) = 0;
 	virtual void uninstallWatch(unsigned _watchId) = 0;
 	virtual h256s peekWatch(unsigned _watchId) const = 0;
 	virtual h256s checkWatch(unsigned _watchId) = 0;
diff --git a/libwhisper/WhisperHost.h b/libwhisper/WhisperHost.h
index 386153ac5..1a43eda3a 100644
--- a/libwhisper/WhisperHost.h
+++ b/libwhisper/WhisperHost.h
@@ -51,7 +51,8 @@ public:
 	WhisperHost();
 	virtual ~WhisperHost();
 	unsigned protocolVersion() const { return WhisperProtocolVersion; }
-	void cleanup(); ///< remove old messages
+	/// remove old messages
+	void cleanup(); 
 	std::map<h256, Envelope> all() const { dev::ReadGuard l(x_messages); return m_messages; }
 	FixedHash<TopicBloomFilterSize> bloom() const { dev::Guard l(m_filterLock); return m_bloom; }
 
@@ -61,7 +62,8 @@ public:
 	virtual void uninstallWatch(unsigned _watchId) override;
 	virtual h256s peekWatch(unsigned _watchId) const override { dev::Guard l(m_filterLock); try { return m_watches.at(_watchId).changes; } catch (...) { return h256s(); } }
 	virtual h256s checkWatch(unsigned _watchId) override { cleanup(); dev::Guard l(m_filterLock); h256s ret; try { ret = m_watches.at(_watchId).changes; m_watches.at(_watchId).changes.clear(); } catch (...) {} return ret; }
-	virtual h256s watchMessages(unsigned _watchId) override; ///< returns IDs of messages, which match specific watch criteria
+	/// returns IDs of messages, which match specific watch criteria
+	virtual h256s watchMessages(unsigned _watchId) override; 
 	virtual Envelope envelope(h256 _m) const override { try { dev::ReadGuard l(x_messages); return m_messages.at(_m); } catch (...) { return Envelope(); } }
 
 protected:
diff --git a/test/libwhisper/bloomFilter.cpp b/test/libwhisper/bloomFilter.cpp
index 7fe363033..3e71ca305 100644
--- a/test/libwhisper/bloomFilter.cpp
+++ b/test/libwhisper/bloomFilter.cpp
@@ -58,7 +58,7 @@ void testRemoveExistingBloom(TopicBloomFilterShort& _f, AbridgedTopic const& _h)
 	BOOST_REQUIRE(!_f.containsBloom(_h));
 }
 
-double calculateExpected(TopicBloomFilterTest const& f, int const n)
+double calculateExpected(TopicBloomFilterTest const& f, int n)
 {
 	int const m = f.size * 8; // number of bits in the bloom
 	int const k = f.BitsPerBloom; // number of hash functions (e.g. bits set to 1 in every bloom)
@@ -79,7 +79,7 @@ double calculateExpected(TopicBloomFilterTest const& f, int const n)
 	return kBitsSet;
 }
 
-double testFalsePositiveRate(TopicBloomFilterTest const& f, int const inserted, Topic& x)
+double testFalsePositiveRate(TopicBloomFilterTest const& f, int inserted, Topic& x)
 {
 	int const c_sampleSize = 1000;
 	int falsePositive = 0;
@@ -114,7 +114,7 @@ BOOST_AUTO_TEST_CASE(falsePositiveRate)
 
 	double expectedRate = 0;
 
-	for (int i = 1; i < 50 && expectedRate < 0.5; ++i)
+	for (int i = 1; i < 50 && isless(expectedRate, 0.5); ++i)
 	{
 		x = sha3(x);
 		f.addBloom(AbridgedTopic(x));