diff --git a/DESCRIPTION b/DESCRIPTION
index 91950cf..38c3e3f 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,7 +2,7 @@ Package: udpipe
 Type: Package
 Title: Tokenization, Parts of Speech Tagging, Lemmatization and Dependency
     Parsing with the 'UDPipe' 'NLP' Toolkit
-Version: 0.8.14
+Version: 0.8.15
 Maintainer: Jan Wijffels <jwijffels@bnosac.be>
 Authors@R: c(
     person('Jan', 'Wijffels', role = c('aut', 'cre', 'cph'), email = 'jwijffels@bnosac.be', comment = 'R wrapper'), 
diff --git a/NEWS.md b/NEWS.md
index b78d1f0..f704e99 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+## CHANGES IN udpipe VERSION 0.8.15
+
+- Drop C++11 from Makevars
+
 ## CHANGES IN udpipe VERSION 0.8.14
 
 - Add comment section in Authors@R and put aut instead of ctb for udpipe.cpp part
diff --git a/src/Makevars b/src/Makevars
index cc40eb2..77229ae 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -1,2 +1 @@
-CXX_STD=CXX11
 PKG_CPPFLAGS = -DSTRICT_R_HEADERS
\ No newline at end of file
diff --git a/src/udpipe.cpp b/src/udpipe.cpp
index e133f10..5320ef2 100644
--- a/src/udpipe.cpp
+++ b/src/udpipe.cpp
@@ -667,8 +667,14 @@ void utf8::decode(const std::string& str, std::u32string& decoded) {
   decode(str.c_str(), decoded);
 }
 
-class utf8::string_decoder::iterator : public std::iterator<std::input_iterator_tag, char32_t> {
+class utf8::string_decoder::iterator {
  public:
+   // Required iterator traits (replaces std::iterator)
+  using iterator_category = std::input_iterator_tag;
+  using value_type = char32_t;
+  using difference_type = std::ptrdiff_t;
+  using pointer = const char32_t*;
+  using reference = const char32_t&;
   iterator(const char* str) : codepoint(0), next(str) { operator++(); }
   iterator(const iterator& it) : codepoint(it.codepoint), next(it.next) {}
   iterator& operator++() { if (next) { codepoint = decode(next); if (!codepoint) next = nullptr; } return *this; }
@@ -699,8 +705,14 @@ utf8::string_decoder utf8::decoder(const std::string& str) {
   return string_decoder(str.c_str());
 }
 
-class utf8::buffer_decoder::iterator : public std::iterator<std::input_iterator_tag, char32_t> {
+class utf8::buffer_decoder::iterator {
  public:
+  // Required iterator traits (replaces std::iterator)
+  using iterator_category = std::input_iterator_tag;
+  using value_type = char32_t;
+  using difference_type = std::ptrdiff_t;
+  using pointer = const char32_t*;
+  using reference = const char32_t&;   
   iterator(const char* str, size_t len) : codepoint(0), next(str), len(len) { operator++(); }
   iterator(const iterator& it) : codepoint(it.codepoint), next(it.next), len(it.len) {}
   iterator& operator++() { if (!len) next = nullptr; if (next) codepoint = decode(next, len); return *this; }