diff --git a/src/catch2/catch_test_case_info.cpp b/src/catch2/catch_test_case_info.cpp
index 6d89dc72..c1a0a431 100644
--- a/src/catch2/catch_test_case_info.cpp
+++ b/src/catch2/catch_test_case_info.cpp
@@ -58,7 +58,7 @@ namespace Catch {
             else if( tag == "!nonportable"_sr )
                 return TestCaseProperties::NonPortable;
             else if( tag == "!benchmark"_sr )
-                return static_cast<TestCaseProperties>(TestCaseProperties::Benchmark | TestCaseProperties::IsHidden );
+                return TestCaseProperties::Benchmark | TestCaseProperties::IsHidden;
             else
                 return TestCaseProperties::None;
         }
diff --git a/src/catch2/internal/catch_stringref.cpp b/src/catch2/internal/catch_stringref.cpp
index 82eef686..46bbfafd 100644
--- a/src/catch2/internal/catch_stringref.cpp
+++ b/src/catch2/internal/catch_stringref.cpp
@@ -14,7 +14,7 @@
 
 namespace Catch {
     StringRef::StringRef( char const* rawChars ) noexcept
-    : StringRef( rawChars, static_cast<StringRef::size_type>(std::strlen(rawChars) ) )
+    : StringRef( rawChars, std::strlen(rawChars) )
     {}
 
     auto StringRef::operator == ( StringRef other ) const noexcept -> bool {
diff --git a/src/catch2/matchers/catch_matchers_floating_point.cpp b/src/catch2/matchers/catch_matchers_floating_point.cpp
index ad0fd378..4d40140f 100644
--- a/src/catch2/matchers/catch_matchers_floating_point.cpp
+++ b/src/catch2/matchers/catch_matchers_floating_point.cpp
@@ -150,14 +150,26 @@ namespace Detail {
 
         ret << " ([";
         if (m_type == Detail::FloatingPointKind::Double) {
-            write(ret, step(m_target, static_cast<double>(-INFINITY), m_ulps));
+            write( ret,
+                   step( m_target,
+                         -std::numeric_limits<double>::infinity(),
+                         m_ulps ) );
             ret << ", ";
-            write(ret, step(m_target, static_cast<double>( INFINITY), m_ulps));
+            write( ret,
+                   step( m_target,
+                         std::numeric_limits<double>::infinity(),
+                         m_ulps ) );
         } else {
             // We have to cast INFINITY to float because of MinGW, see #1782
-            write(ret, step(static_cast<float>(m_target), static_cast<float>(-INFINITY), m_ulps));
+            write( ret,
+                   step( static_cast<float>( m_target ),
+                         -std::numeric_limits<float>::infinity(),
+                         m_ulps ) );
             ret << ", ";
-            write(ret, step(static_cast<float>(m_target), static_cast<float>( INFINITY), m_ulps));
+            write( ret,
+                   step( static_cast<float>( m_target ),
+                         std::numeric_limits<float>::infinity(),
+                         m_ulps ) );
         }
         ret << "])";