diff --git a/include/armadillo_bits/compiler_setup.hpp b/include/armadillo_bits/compiler_setup.hpp
index 4cd4f9d3..e3ec2543 100644
--- a/include/armadillo_bits/compiler_setup.hpp
+++ b/include/armadillo_bits/compiler_setup.hpp
@@ -175,8 +175,6 @@
   #undef  arma_aligned
   #undef  arma_align_mem
   #undef  arma_warn_unused
-  #undef  arma_deprecated
-  #undef  arma_frown
   #undef  arma_malloc
   #undef  arma_inline
   #undef  arma_noinline
@@ -186,8 +184,6 @@
   #define arma_aligned     __attribute__((__aligned__))
   #define arma_align_mem   __attribute__((__aligned__(16)))
   #define arma_warn_unused __attribute__((__warn_unused_result__))
-  #define arma_deprecated  __attribute__((__deprecated__))
-  #define arma_frown(msg)  __attribute__((__deprecated__(msg)))
   #define arma_malloc      __attribute__((__malloc__))
   #define arma_inline      __attribute__((__always_inline__)) inline
   #define arma_noinline    __attribute__((__noinline__))
@@ -247,16 +243,6 @@
     #define arma_warn_unused __attribute__((__warn_unused_result__))
   #endif
   
-  #if __has_attribute(__deprecated__)
-    #undef  arma_deprecated
-    #define arma_deprecated __attribute__((__deprecated__))
-  #endif
-  
-  #if __has_attribute(__deprecated__)
-    #undef  arma_frown
-    #define arma_frown(msg) __attribute__((__deprecated__(msg)))
-  #endif
-  
   #if __has_attribute(__malloc__)
     #undef  arma_malloc
     #define arma_malloc __attribute__((__malloc__))
@@ -316,8 +302,6 @@
     #error "*** newer compiler required ***"
   #endif
   
-  #undef  arma_deprecated
-  #define arma_deprecated __declspec(deprecated)
   // #undef  arma_inline
   // #define arma_inline __forceinline inline