diff --git a/.gitignore b/.gitignore
index 9bbc5d66..df2fb21a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,7 +24,6 @@
 /include/jemalloc/internal/jemalloc_preamble.h
 /include/jemalloc/internal/jemalloc_internal_defs.h
 /include/jemalloc/internal/private_namespace.h
-/include/jemalloc/internal/private_unnamespace.h
 /include/jemalloc/internal/public_namespace.h
 /include/jemalloc/internal/public_symbols.txt
 /include/jemalloc/internal/public_unnamespace.h
diff --git a/configure.ac b/configure.ac
index 7ffdbea8..ffbe11a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -886,7 +886,6 @@ cfgoutputs_tup="${cfgoutputs_tup} test/include/test/jemalloc_test.h:test/include
 cfghdrs_in="include/jemalloc/jemalloc_defs.h.in"
 cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/jemalloc_internal_defs.h.in"
 cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_namespace.sh"
-cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_unnamespace.sh"
 cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_symbols.txt"
 cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_namespace.sh"
 cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_unnamespace.sh"
@@ -899,7 +898,6 @@ cfghdrs_in="${cfghdrs_in} test/include/test/jemalloc_test_defs.h.in"
 cfghdrs_out="include/jemalloc/jemalloc_defs.h"
 cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc${install_suffix}.h"
 cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_namespace.h"
-cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_unnamespace.h"
 cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_symbols.txt"
 cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_namespace.h"
 cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_unnamespace.h"
@@ -1913,13 +1911,6 @@ AC_CONFIG_COMMANDS([include/jemalloc/internal/private_namespace.h], [
   srcdir="${srcdir}"
   objroot="${objroot}"
 ])
-AC_CONFIG_COMMANDS([include/jemalloc/internal/private_unnamespace.h], [
-  mkdir -p "${objroot}include/jemalloc/internal"
-  "${srcdir}/include/jemalloc/internal/private_unnamespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_unnamespace.h"
-], [
-  srcdir="${srcdir}"
-  objroot="${objroot}"
-])
 AC_CONFIG_COMMANDS([include/jemalloc/internal/public_symbols.txt], [
   f="${objroot}include/jemalloc/internal/public_symbols.txt"
   mkdir -p "${objroot}include/jemalloc/internal"
diff --git a/include/jemalloc/internal/private_unnamespace.sh b/include/jemalloc/internal/private_unnamespace.sh
deleted file mode 100755
index 23fed8e8..00000000
--- a/include/jemalloc/internal/private_unnamespace.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-
-for symbol in `cat $1` ; do
-  echo "#undef ${symbol}"
-done