diff --git a/pkgs/os-specific/linux/e3cfsprogs/default.nix b/pkgs/os-specific/linux/e3cfsprogs/default.nix
index 89d5ad5158ce..ef25d59a9df5 100644
--- a/pkgs/os-specific/linux/e3cfsprogs/default.nix
+++ b/pkgs/os-specific/linux/e3cfsprogs/default.nix
@@ -11,20 +11,10 @@ stdenv.mkDerivation {
     sha256 = "8dd3de546aeb1ae42fb05409aeb724a145fe9aa1dbe1115441c2297c9d48cf31";
   };
 
-  configureFlags =
-    if stdenv ? isDietLibC
-    then ""
-    else "--enable-dynamic-e2fsck --enable-elf-shlibs";
+  configureFlags ="--enable-dynamic-e2fsck --enable-elf-shlibs";
   buildInputs = [gettext];
   preInstall = "installFlagsArray=('LN=ln -s')";
   postInstall = "make install-libs";
-
-  NIX_CFLAGS_COMPILE =
-    if stdenv ? isDietLibC then
-      "-UHAVE_SYS_PRCTL_H " +
-      (if stdenv.system == "x86_64-linux" then "-DHAVE_LSEEK64_PROTOTYPE=1 -Dstat64=stat" else "")
-    else "";
 }
 
-
 #note that ext3cow requires the ext3cow kernel patch !!!!
diff --git a/pkgs/os-specific/linux/module-init-tools/default.nix b/pkgs/os-specific/linux/module-init-tools/default.nix
index 240150b09ddb..c83bd28d2430 100644
--- a/pkgs/os-specific/linux/module-init-tools/default.nix
+++ b/pkgs/os-specific/linux/module-init-tools/default.nix
@@ -23,10 +23,6 @@ stdenv.mkDerivation {
 
   postInstall = "rm $out/sbin/insmod.static"; # don't need it
 
-  # We don't want bash (and therefore glibc) in the closure of the
-  # output, since we want to put this in a initrd.
-  dontPatchShebangs = stdenv ? isDietLibC;
-
   meta = {
     homepage = http://www.kernel.org/pub/linux/utils/kernel/module-init-tools/;
     description = "Tools for loading and managing Linux kernel modules";
diff --git a/pkgs/stdenv/adapters.nix b/pkgs/stdenv/adapters.nix
index d223cf1708cf..2f1db703ed23 100644
--- a/pkgs/stdenv/adapters.nix
+++ b/pkgs/stdenv/adapters.nix
@@ -29,36 +29,6 @@ rec {
   overrideSetup = stdenv: setupScript: stdenv.override { inherit setupScript; };
 
 
-  # Return a modified stdenv that uses dietlibc to create small
-  # statically linked binaries.
-  useDietLibC = stdenv: stdenv //
-    { mkDerivation = args: stdenv.mkDerivation (args // {
-        NIX_CFLAGS_LINK = "-static";
-
-        # libcompat.a contains some commonly used functions.
-        NIX_LDFLAGS = "-lcompat";
-
-        # These are added *after* the command-line flags, so we'll
-        # always optimise for size.
-        NIX_CFLAGS_COMPILE =
-          args.NIX_CFLAGS_COMPILE or ""
-          + " -Os -s -D_BSD_SOURCE=1";
-
-        configureFlags =
-          args.configureFlags or ""
-          + " --disable-shared"; # brrr...
-
-        NIX_GCC = import ../build-support/gcc-wrapper {
-          inherit stdenv;
-          libc = pkgs.dietlibc;
-          inherit (stdenv.gcc) gcc binutils nativeTools nativePrefix;
-          nativeLibc = false;
-        };
-      });
-      isDietLibC = true;
-    };
-
-
   # Return a modified stdenv that uses klibc to create small
   # statically linked binaries.
   useKlibc = stdenv: klibc: stdenv //
diff --git a/pkgs/tools/compression/bzip2/default.nix b/pkgs/tools/compression/bzip2/default.nix
index 55fca6ca3cb9..e00c4e504ce6 100644
--- a/pkgs/tools/compression/bzip2/default.nix
+++ b/pkgs/tools/compression/bzip2/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
   };
 
   sharedLibrary =
-    !stdenv.isDarwin && !(stdenv ? isDietLibC) && !(stdenv ? isStatic) && stdenv.system != "i686-cygwin" && !linkStatic;
+    !stdenv.isDarwin && !(stdenv ? isStatic) && stdenv.system != "i686-cygwin" && !linkStatic;
 
   preConfigure = "substituteInPlace Makefile --replace '$(PREFIX)/man' '$(PREFIX)/share/man'";
 
diff --git a/pkgs/tools/networking/curl/7.15.nix b/pkgs/tools/networking/curl/7.15.nix
index 0a87eaa944cd..47ac790e2adb 100644
--- a/pkgs/tools/networking/curl/7.15.nix
+++ b/pkgs/tools/networking/curl/7.15.nix
@@ -43,7 +43,6 @@ stdenv.mkDerivation rec {
 
   dontDisableStatic = linkStatic;
 
-  CFLAGS = if stdenv ? isDietLibC then "-DHAVE_INET_NTOA_R_2_ARGS=1" else "";
   LDFLAGS = if linkStatic then "-static" else "";
   CXX = "g++";
   CXXCPP = "g++ -E";
diff --git a/pkgs/tools/networking/curl/default.nix b/pkgs/tools/networking/curl/default.nix
index e12db01ae726..6766415c8b11 100644
--- a/pkgs/tools/networking/curl/default.nix
+++ b/pkgs/tools/networking/curl/default.nix
@@ -47,7 +47,6 @@ stdenv.mkDerivation rec {
 
   dontDisableStatic = linkStatic;
 
-  CFLAGS = if stdenv ? isDietLibC then "-DHAVE_INET_NTOA_R_2_ARGS=1" else "";
   LDFLAGS = if linkStatic then "-static" else "";
   CXX = "g++";
   CXXCPP = "g++ -E";