diff --git a/configure b/configure
index 832925f48d52169d0469b011bc9098767f835dda..b22e472abede7aedae4caa74c7256639c0e0fc91 100755
--- a/configure
+++ b/configure
@@ -563,17 +563,6 @@ EOF
 $cc -o $TMPE $TMPC 2> /dev/null || _memalign=no
 fi
 
-cat > $TMPC << EOF
-#define _GNU_SOURCE
-#include <time.h>
-int main( void ) { return *strptime("", "", 0); }
-EOF
-
-strptime=no
-if $cc -o $TMPE $TMPC 2> /dev/null ; then
-  strptime=yes
-fi
-
 cat > $TMPC << EOF
 #include <time.h>
 int main( void ) { localtime_r(NULL, NULL); }
@@ -925,15 +914,8 @@ if test "$gprof" = "yes" ; then
   echo "TARGET_GPROF=yes" >> config.mak
   echo "#define HAVE_GPROF 1" >> $TMPH
 fi
-if test "$strptime" = "yes" ; then
-  echo "#define HAVE_STRPTIME 1" >> $TMPH
-else
-  echo "BUILD_STRPTIME=yes" >> config.mak
-fi
 if test "$localtime_r" = "yes" ; then
   echo "#define HAVE_LOCALTIME_R 1" >> $TMPH
-else
-  echo "BUILD_LOCALTIME_R=yes" >> config.mak
 fi
 if test "$imlib2" = "yes" ; then
   echo "HAVE_IMLIB2=yes" >> config.mak