diff --git a/Makefile b/Makefile
index c4760373..bf709abe 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ makefiles = \
   tests/local.mk \
   tests/plugins/local.mk
 
-GLOBAL_CXXFLAGS += -std=c++14 -g -Wall -include config.h
+GLOBAL_CXXFLAGS += -g -Wall -include config.h
 
 -include Makefile.config
 
diff --git a/configure.ac b/configure.ac
index 54322d46..7177c891 100644
--- a/configure.ac
+++ b/configure.ac
@@ -62,7 +62,7 @@ CXXFLAGS=
 AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_CPP
-AX_CXX_COMPILE_STDCXX_11
+AX_CXX_COMPILE_STDCXX_14
 
 
 # Use 64-bit file system calls so that we can support files > 2 GiB.
diff --git a/perl/Makefile b/perl/Makefile
index 684a37e8..284c7502 100644
--- a/perl/Makefile
+++ b/perl/Makefile
@@ -1,6 +1,6 @@
 makefiles = local.mk
 
-GLOBAL_CXXFLAGS += -std=c++14 -g -Wall
+GLOBAL_CXXFLAGS += -g -Wall
 
 -include Makefile.config