diff --git a/base/include/android-base/logging.h b/base/include/android-base/logging.h
index 66d60c9..721ecce 100644
--- a/base/include/android-base/logging.h
+++ b/base/include/android-base/logging.h
@@ -265,7 +265,7 @@
 // MakeEagerEvaluator to infer the types of LHS and RHS.
 template <typename LHS, typename RHS>
 struct EagerEvaluator {
-  EagerEvaluator(LHS l, RHS r) : lhs(l), rhs(r) {
+  constexpr EagerEvaluator(LHS l, RHS r) : lhs(l), rhs(r) {
   }
   LHS lhs;
   RHS rhs;
@@ -273,7 +273,7 @@
 
 // Helper function for CHECK_xx.
 template <typename LHS, typename RHS>
-static inline EagerEvaluator<LHS, RHS> MakeEagerEvaluator(LHS lhs, RHS rhs) {
+constexpr EagerEvaluator<LHS, RHS> MakeEagerEvaluator(LHS lhs, RHS rhs) {
   return EagerEvaluator<LHS, RHS>(lhs, rhs);
 }
 
diff --git a/base/include/android-base/macros.h b/base/include/android-base/macros.h
index ee16d02..88bbe8a 100644
--- a/base/include/android-base/macros.h
+++ b/base/include/android-base/macros.h
@@ -41,18 +41,9 @@
 // Note, that most uses of DISALLOW_ASSIGN and DISALLOW_COPY are broken
 // semantically, one should either use disallow both or neither. Try to
 // avoid these in new code.
-//
-// When building with C++11 toolchains, just use the language support
-// for explicitly deleted methods.
-#if __cplusplus >= 201103L
 #define DISALLOW_COPY_AND_ASSIGN(TypeName) \
   TypeName(const TypeName&) = delete;      \
   void operator=(const TypeName&) = delete
-#else
-#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
-  TypeName(const TypeName&);               \
-  void operator=(const TypeName&)
-#endif
 
 // A macro to disallow all the implicit constructors, namely the
 // default constructor, copy constructor and operator= functions.
@@ -60,18 +51,9 @@
 // This should be used in the private: declarations for a class
 // that wants to prevent anyone from instantiating it. This is
 // especially useful for classes containing only static methods.
-//
-// When building with C++11 toolchains, just use the language support
-// for explicitly deleted methods.
-#if __cplusplus >= 201103L
 #define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
   TypeName() = delete;                           \
   DISALLOW_COPY_AND_ASSIGN(TypeName)
-#else
-#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
-  TypeName();                                    \
-  DISALLOW_COPY_AND_ASSIGN(TypeName)
-#endif
 
 // The arraysize(arr) macro returns the # of elements in an array arr.
 // The expression is a compile-time constant, and therefore can be
@@ -174,10 +156,10 @@
 //  only if there are no statements on the execution path between it and the
 //  next switch label.
 //
-//  When compiled with clang in C++11 mode, the FALLTHROUGH_INTENDED macro is
-//  expanded to [[clang::fallthrough]] attribute, which is analysed when
-//  performing switch labels fall-through diagnostic ('-Wimplicit-fallthrough').
-//  See clang documentation on language extensions for details:
+//  When compiled with clang, the FALLTHROUGH_INTENDED macro is expanded to
+//  [[clang::fallthrough]] attribute, which is analysed when performing switch
+//  labels fall-through diagnostic ('-Wimplicit-fallthrough'). See clang
+//  documentation on language extensions for details:
 //  http://clang.llvm.org/docs/LanguageExtensions.html#clang__fallthrough
 //
 //  When used with unsupported compilers, the FALLTHROUGH_INTENDED macro has no
@@ -185,7 +167,7 @@
 //
 //  In either case this macro has no effect on runtime behavior and performance
 //  of code.
-#if defined(__clang__) && __cplusplus >= 201103L && defined(__has_warning)
+#if defined(__clang__) && defined(__has_warning)
 #if __has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough")
 #define FALLTHROUGH_INTENDED [[clang::fallthrough]]  // NOLINT
 #endif