diff --git a/include/catch_session.hpp b/include/catch_session.hpp
index 8d200aa6..91aff563 100644
--- a/include/catch_session.hpp
+++ b/include/catch_session.hpp
@@ -21,8 +21,8 @@
 
 namespace Catch {
 
-    Ptr<IStreamingReporter> createReporter( std::string const& reporterName, Ptr<Config> const& config ) {
-        Ptr<IStreamingReporter> reporter = getRegistryHub().getReporterRegistry().create( reporterName, config.get() );
+    Ptr<IStreamingReporter> createReporter( std::string const& reporterName, IConfigPtr const& config ) {
+        Ptr<IStreamingReporter> reporter = getRegistryHub().getReporterRegistry().create( reporterName, config );
         if( !reporter ) {
             std::ostringstream oss;
             oss << "No reporter registered with name: '" << reporterName << "'";
@@ -31,7 +31,7 @@ namespace Catch {
         return reporter;
     }
 
-    Ptr<IStreamingReporter> makeReporter( Ptr<Config> const& config ) {
+    Ptr<IStreamingReporter> makeReporter( std::shared_ptr<Config> const& config ) {
         std::vector<std::string> reporters = config->getReporterNames();
         if( reporters.empty() )
             reporters.push_back( "console" );
@@ -41,7 +41,7 @@ namespace Catch {
             reporter = addReporter( reporter, createReporter( name, config ) );
         return reporter;
     }
-    Ptr<IStreamingReporter> addListeners( Ptr<IConfig const> const& config, Ptr<IStreamingReporter> reporters ) {
+    Ptr<IStreamingReporter> addListeners( IConfigPtr const& config, Ptr<IStreamingReporter> reporters ) {
         IReporterRegistry::Listeners listeners = getRegistryHub().getReporterRegistry().getListeners();
         for( auto const& listener : listeners )
             reporters = addReporter(reporters, listener->create( ReporterConfig( config ) ) );
@@ -49,9 +49,9 @@ namespace Catch {
     }
 
 
-    Totals runTests( Ptr<Config> const& config ) {
+    Totals runTests( std::shared_ptr<Config> const& config ) {
 
-        Ptr<IConfig const> iconfig = config.get();
+        IConfigPtr iconfig = config;
 
         Ptr<IStreamingReporter> reporter = makeReporter( config );
         reporter = addListeners( iconfig, reporter );
@@ -195,14 +195,14 @@ namespace Catch {
         }
         Config& config() {
             if( !m_config )
-                m_config = new Config( m_configData );
+                m_config = std::make_shared<Config>( m_configData );
             return *m_config;
         }
     private:
         Clara::CommandLine<ConfigData> m_cli;
         std::vector<Clara::Parser::Token> m_unusedTokens;
         ConfigData m_configData;
-        Ptr<Config> m_config;
+        std::shared_ptr<Config> m_config;
     };
 
     bool Session::alreadyInstantiated = false;
diff --git a/include/internal/catch_config.hpp b/include/internal/catch_config.hpp
index 24afda6e..8be68a81 100644
--- a/include/internal/catch_config.hpp
+++ b/include/internal/catch_config.hpp
@@ -56,10 +56,7 @@ namespace Catch {
     };
 
 
-    class Config : public SharedImpl<IConfig> {
-    private:
-        Config( Config const& other );
-        Config& operator = ( Config const& other );
+    class Config : public IConfig {
         virtual void dummy();
     public:
 
diff --git a/include/internal/catch_console_colour_impl.hpp b/include/internal/catch_console_colour_impl.hpp
index 426bba29..f15494ab 100644
--- a/include/internal/catch_console_colour_impl.hpp
+++ b/include/internal/catch_console_colour_impl.hpp
@@ -89,7 +89,7 @@ namespace {
     IColourImpl* platformColourInstance() {
         static Win32ColourImpl s_instance;
 
-        Ptr<IConfig const> config = getCurrentContext().getConfig();
+        IConfigPtr config = getCurrentContext().getConfig();
         UseColour::YesOrNo colourMode = config
             ? config->useColour()
             : UseColour::Auto;
@@ -150,7 +150,7 @@ namespace {
 
     IColourImpl* platformColourInstance() {
         ErrnoGuard guard;
-        Ptr<IConfig const> config = getCurrentContext().getConfig();
+        IConfigPtr config = getCurrentContext().getConfig();
         UseColour::YesOrNo colourMode = config
             ? config->useColour()
             : UseColour::Auto;
diff --git a/include/internal/catch_context.h b/include/internal/catch_context.h
index 8b683864..77a7d3ac 100644
--- a/include/internal/catch_context.h
+++ b/include/internal/catch_context.h
@@ -21,6 +21,8 @@ namespace Catch {
     struct IGeneratorsForTest;
     struct IConfig;
 
+    using IConfigPtr = std::shared_ptr<IConfig const>;
+
     struct IContext
     {
         virtual ~IContext();
@@ -29,7 +31,7 @@ namespace Catch {
         virtual IRunner* getRunner() = 0;
         virtual size_t getGeneratorIndex( std::string const& fileInfo, size_t totalSize ) = 0;
         virtual bool advanceGeneratorsForCurrentTest() = 0;
-        virtual Ptr<IConfig const> getConfig() const = 0;
+        virtual IConfigPtr getConfig() const = 0;
     };
 
     struct IMutableContext : IContext
@@ -37,7 +39,7 @@ namespace Catch {
         virtual ~IMutableContext();
         virtual void setResultCapture( IResultCapture* resultCapture ) = 0;
         virtual void setRunner( IRunner* runner ) = 0;
-        virtual void setConfig( Ptr<IConfig const> const& config ) = 0;
+        virtual void setConfig( IConfigPtr const& config ) = 0;
     };
 
     IContext& getCurrentContext();
diff --git a/include/internal/catch_context_impl.hpp b/include/internal/catch_context_impl.hpp
index b9488c6e..43210693 100644
--- a/include/internal/catch_context_impl.hpp
+++ b/include/internal/catch_context_impl.hpp
@@ -40,7 +40,7 @@ namespace Catch {
             return generators && generators->moveNext();
         }
 
-        virtual Ptr<IConfig const> getConfig() const {
+        virtual IConfigPtr getConfig() const {
             return m_config;
         }
 
@@ -51,7 +51,7 @@ namespace Catch {
         virtual void setRunner( IRunner* runner ) {
             m_runner = runner;
         }
-        virtual void setConfig( Ptr<IConfig const> const& config ) {
+        virtual void setConfig( IConfigPtr const& config ) {
             m_config = config;
         }
 
@@ -79,7 +79,7 @@ namespace Catch {
         }
 
     private:
-        Ptr<IConfig const> m_config;
+        IConfigPtr m_config;
         IRunner* m_runner = nullptr;
         IResultCapture* m_resultCapture = nullptr;
         std::map<std::string, IGeneratorsForTest*> m_generatorsByTestName;
diff --git a/include/internal/catch_interfaces_config.h b/include/internal/catch_interfaces_config.h
index 5730a8cd..d9479e07 100644
--- a/include/internal/catch_interfaces_config.h
+++ b/include/internal/catch_interfaces_config.h
@@ -45,7 +45,7 @@ namespace Catch {
 
     class TestSpec;
 
-    struct IConfig : IShared {
+    struct IConfig : NonCopyable {
 
         virtual ~IConfig();
 
@@ -63,8 +63,9 @@ namespace Catch {
         virtual unsigned int rngSeed() const = 0;
         virtual UseColour::YesOrNo useColour() const = 0;
         virtual std::vector<std::string> const& getSectionsToRun() const = 0;
-
     };
+
+    using IConfigPtr = std::shared_ptr<IConfig const>;
 }
 
 #endif // TWOBLUECUBES_CATCH_INTERFACES_CONFIG_H_INCLUDED
diff --git a/include/internal/catch_interfaces_reporter.h b/include/internal/catch_interfaces_reporter.h
index a1c5aa57..07524b93 100644
--- a/include/internal/catch_interfaces_reporter.h
+++ b/include/internal/catch_interfaces_reporter.h
@@ -25,18 +25,18 @@
 namespace Catch
 {
     struct ReporterConfig {
-        explicit ReporterConfig( Ptr<IConfig const> const& _fullConfig )
+        explicit ReporterConfig( IConfigPtr const& _fullConfig )
         :   m_stream( &_fullConfig->stream() ), m_fullConfig( _fullConfig ) {}
 
-        ReporterConfig( Ptr<IConfig const> const& _fullConfig, std::ostream& _stream )
+        ReporterConfig( IConfigPtr const& _fullConfig, std::ostream& _stream )
         :   m_stream( &_stream ), m_fullConfig( _fullConfig ) {}
 
         std::ostream& stream() const    { return *m_stream; }
-        Ptr<IConfig const> fullConfig() const { return m_fullConfig; }
+        IConfigPtr fullConfig() const { return m_fullConfig; }
 
     private:
         std::ostream* m_stream;
-        Ptr<IConfig const> m_fullConfig;
+        IConfigPtr m_fullConfig;
     };
 
     struct ReporterPreferences {
@@ -247,7 +247,7 @@ namespace Catch
         typedef std::vector<Ptr<IReporterFactory> > Listeners;
 
         virtual ~IReporterRegistry();
-        virtual IStreamingReporter* create( std::string const& name, Ptr<IConfig const> const& config ) const = 0;
+        virtual IStreamingReporter* create( std::string const& name, IConfigPtr const& config ) const = 0;
         virtual FactoryMap const& getFactories() const = 0;
         virtual Listeners const& getListeners() const = 0;
     };
diff --git a/include/internal/catch_reporter_registry.hpp b/include/internal/catch_reporter_registry.hpp
index 7a0c783a..ad212437 100644
--- a/include/internal/catch_reporter_registry.hpp
+++ b/include/internal/catch_reporter_registry.hpp
@@ -20,7 +20,7 @@ namespace Catch {
 
         virtual ~ReporterRegistry() override {}
 
-        virtual IStreamingReporter* create( std::string const& name, Ptr<IConfig const> const& config ) const override {
+        virtual IStreamingReporter* create( std::string const& name, IConfigPtr const& config ) const override {
             FactoryMap::const_iterator it =  m_factories.find( name );
             if( it == m_factories.end() )
                 return nullptr;
diff --git a/include/internal/catch_run_context.hpp b/include/internal/catch_run_context.hpp
index 23c4654a..78051d21 100644
--- a/include/internal/catch_run_context.hpp
+++ b/include/internal/catch_run_context.hpp
@@ -59,7 +59,7 @@ namespace Catch {
 
     public:
 
-        explicit RunContext( Ptr<IConfig const> const& _config, Ptr<IStreamingReporter> const& reporter )
+        explicit RunContext( IConfigPtr const& _config, Ptr<IStreamingReporter> const& reporter )
         :   m_runInfo( _config->name() ),
             m_context( getCurrentMutableContext() ),
             m_config( _config ),
@@ -128,7 +128,7 @@ namespace Catch {
             return deltaTotals;
         }
 
-        Ptr<IConfig const> config() const {
+        IConfigPtr config() const {
             return m_config;
         }
 
@@ -353,7 +353,7 @@ namespace Catch {
         ITracker* m_currentSectionTracker;
         AssertionResult m_lastResult;
 
-        Ptr<IConfig const> m_config;
+        IConfigPtr m_config;
         Totals m_totals;
         Ptr<IStreamingReporter> m_reporter;
         std::vector<MessageInfo> m_messages;
diff --git a/include/reporters/catch_reporter_bases.hpp b/include/reporters/catch_reporter_bases.hpp
index d94c15b4..6c8e4541 100644
--- a/include/reporters/catch_reporter_bases.hpp
+++ b/include/reporters/catch_reporter_bases.hpp
@@ -92,7 +92,7 @@ namespace Catch {
             // It can optionally be overridden in the derived class.
         }
 
-        Ptr<IConfig const> m_config;
+        IConfigPtr m_config;
         std::ostream& stream;
 
         LazyStat<TestRunInfo> currentTestRunInfo;
@@ -244,7 +244,7 @@ namespace Catch {
                 result.expandDecomposedExpression();
         }
 
-        Ptr<IConfig const> m_config;
+        IConfigPtr m_config;
         std::ostream& stream;
         std::vector<AssertionStats> m_assertions;
         std::vector<std::vector<Ptr<SectionNode> > > m_sections;