diff --git a/pkgs/development/compilers/gcc-4.1/builder.sh b/pkgs/development/compilers/gcc-4.1/builder.sh
deleted file mode 100644
index 69cec7d258ff..000000000000
--- a/pkgs/development/compilers/gcc-4.1/builder.sh
+++ /dev/null
@@ -1,82 +0,0 @@
-source $stdenv/setup
-
-
-export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
-mkdir $NIX_FIXINC_DUMMY
-
-
-# libstdc++ needs this; otherwise it will use /lib/cpp, which is a Bad
-# Thing.
-export CPP="gcc -E"
-
-
-if test "$noSysDirs" = "1"; then
-
-    if test -e $NIX_GCC/nix-support/orig-libc; then
-
-        # Figure out what extra flags to pass to the gcc compilers
-        # being generated to make sure that they use our glibc.
-        extraCFlags="$(cat $NIX_GCC/nix-support/libc-cflags)"
-        extraLDFlags="$(cat $NIX_GCC/nix-support/libc-ldflags) $(cat $NIX_GCC/nix-support/libc-ldflags-before)"
-
-        # Use *real* header files, otherwise a limits.h is generated
-        # that does not include Glibc's limits.h (notably missing
-        # SSIZE_MAX, which breaks the build).
-        export NIX_FIXINC_DUMMY=$(cat $NIX_GCC/nix-support/orig-libc)/include
-        
-    else
-        # Hack: support impure environments.
-        extraCFlags="-isystem /usr/include"
-        extraLDFlags="-L/usr/lib64 -L/usr/lib"
-        export NIX_FIXINC_DUMMY=/usr/include
-    fi
-
-    export NIX_EXTRA_CFLAGS=$extraCFlags
-    for i in $extraLDFlags; do
-        export NIX_EXTRA_LDFLAGS="$NIX_EXTRA_LDFLAGS -Wl,$i"
-    done        
-    export CFLAGS=$extraCFlags
-    export CXXFLAGS=$extraCFlags
-fi
-
-
-preConfigure=preConfigure
-preConfigure() {
-    
-    # Determine the frontends to build.
-    langs="c"
-    if test -n "$langCC"; then
-        langs="$langs,c++"
-    fi
-    if test -n "$langF77"; then
-        langs="$langs,f77"
-    fi
-
-    # Perform the build in a different directory.
-    mkdir ../build
-    cd ../build
-
-    configureScript=../$sourceRoot/configure
-    configureFlags="--enable-languages=$langs $configureFlags"
-}
-
-
-postInstall=postInstall
-postInstall() {
-    # Remove precompiled headers for now.  They are very big and
-    # probably not very useful yet.
-    find $out/include -name "*.gch" -exec rm -rf {} \; -prune
-
-    # Remove `fixincl' to prevent a retained dependency on the
-    # previous gcc.
-    rm -rf $out/libexec/gcc/*/*/install-tools
-}
-
-
-if test -z "$profiledCompiler"; then
-    makeFlags="bootstrap $makeFlags"
-else    
-    makeFlags="profiledbootstrap $makeFlags"
-fi
-
-genericBuild
diff --git a/pkgs/development/compilers/gcc-4.1/default.nix b/pkgs/development/compilers/gcc-4.1/default.nix
deleted file mode 100644
index 20c32da81320..000000000000
--- a/pkgs/development/compilers/gcc-4.1/default.nix
+++ /dev/null
@@ -1,47 +0,0 @@
-{ stdenv, fetchurl, noSysDirs
-, langC ? true, langCC ? true, langF77 ? false
-, profiledCompiler ? false
-, staticCompiler ? false
-}:
-
-assert langC;
-
-stdenv.mkDerivation {
-  name = "gcc-4.1.1";
-  builder = ./builder.sh;
-  
-  src =
-    [(fetchurl {
-      url = http://ftp.gnu.org/pub/gnu/gcc/gcc-4.1.1/gcc-core-4.1.1.tar.bz2;
-      md5 = "a1b189c98aa7d7f164036bbe89b9b2a2";
-    })] ++
-    (if /*langCC*/ true then [(fetchurl {
-      url = http://ftp.gnu.org/pub/gnu/gcc/gcc-4.1.1/gcc-g++-4.1.1.tar.bz2;
-      md5 = "70c786bf8ca042e880a87fecb9e4dfcd";
-    })] else []) ++
-    (if langF77 then [(fetchurl {
-      url = http://ftp.gnu.org/pub/gnu/gcc/gcc-4.1.1/gcc-fortran-4.1.1.tar.bz2;
-      md5 = "b088a28a1963d16bf505262f8bfd09db";
-    })] else []);
-    
-  patches =
-    [./pass-cxxcpp.patch]
-    ++ (if noSysDirs then [./no-sys-dirs.patch] else []);
-    
-  inherit noSysDirs langC langCC langF77 profiledCompiler;
-
-  configureFlags = "
-    --disable-multilib
-    --disable-libstdcxx-pch
-    --disable-libmudflap
-    --disable-libssp
-  ";
-
-  makeFlags = if staticCompiler then "LDFLAGS=-static" else "";
-
-  meta = {
-    homepage = "http://gcc.gnu.org/";
-    license = "GPL/LGPL";
-    description = "GNU Compiler Collection, 4.1.x";
-  };
-}
diff --git a/pkgs/development/compilers/gcc-4.1/no-sys-dirs.patch b/pkgs/development/compilers/gcc-4.1/no-sys-dirs.patch
deleted file mode 100644
index b7b93d6944cc..000000000000
--- a/pkgs/development/compilers/gcc-4.1/no-sys-dirs.patch
+++ /dev/null
@@ -1,126 +0,0 @@
-diff -ruN gcc-4.1.0/gcc/cppdefault.c gcc-4.1.0.new/gcc/cppdefault.c
---- gcc-4.1.0/gcc/cppdefault.c	2005-06-25 04:02:01.000000000 +0200
-+++ gcc-4.1.0.new/gcc/cppdefault.c	2006-03-01 18:48:58.000000000 +0100
-@@ -41,6 +41,10 @@
- # undef CROSS_INCLUDE_DIR
- #endif
- 
-+#undef LOCAL_INCLUDE_DIR
-+#undef SYSTEM_INCLUDE_DIR
-+#undef STANDARD_INCLUDE_DIR
-+
- const struct default_include cpp_include_defaults[]
- #ifdef INCLUDE_DEFAULTS
- = INCLUDE_DEFAULTS;
-diff -ruN gcc-4.1.0/gcc/Makefile.in gcc-4.1.0.new/gcc/Makefile.in
---- gcc-4.1.0/gcc/Makefile.in	2006-02-16 16:23:24.000000000 +0100
-+++ gcc-4.1.0.new/gcc/Makefile.in	2006-03-01 18:55:12.000000000 +0100
-@@ -219,7 +219,7 @@
- CPPFLAGS = @CPPFLAGS@
- 
- # These exists to be overridden by the x-* and t-* files, respectively.
--X_CFLAGS =
-+X_CFLAGS = $(NIX_EXTRA_CFLAGS) $(NIX_EXTRA_LDFLAGS)
- T_CFLAGS =
- 
- X_CPPFLAGS =
-@@ -383,7 +383,11 @@
- MD5_H	    = $(srcdir)/../include/md5.h
- 
- # Default native SYSTEM_HEADER_DIR, to be overridden by targets.
--NATIVE_SYSTEM_HEADER_DIR = /usr/include
-+# Nix: we override NATIVE_SYSTEM_HEADER_DIR in order to prevent
-+# `fixinc' from fixing header files in /usr/include.  However,
-+# NATIVE_SYSTEM_HEADER_DIR must point to an existing directory, so set
-+# it to some dummy directory.
-+NATIVE_SYSTEM_HEADER_DIR = $(NIX_FIXINC_DUMMY)
- # Default cross SYSTEM_HEADER_DIR, to be overridden by targets.
- CROSS_SYSTEM_HEADER_DIR = @CROSS_SYSTEM_HEADER_DIR@
- 
-@@ -395,7 +399,7 @@
- STMP_FIXINC = @STMP_FIXINC@
- 
- # Test to see whether <limits.h> exists in the system header files.
--LIMITS_H_TEST = [ -f $(SYSTEM_HEADER_DIR)/limits.h ]
-+LIMITS_H_TEST = true
- 
- # Directory for prefix to system directories, for
- # each of $(system_prefix)/usr/include, $(system_prefix)/usr/lib, etc.
-@@ -3002,7 +3006,7 @@
-   -DGPLUSPLUS_INCLUDE_DIR=\"$(gcc_gxx_include_dir)\" \
-   -DGPLUSPLUS_TOOL_INCLUDE_DIR=\"$(gcc_gxx_include_dir)/$(target_noncanonical)\" \
-   -DGPLUSPLUS_BACKWARD_INCLUDE_DIR=\"$(gcc_gxx_include_dir)/backward\" \
--  -DLOCAL_INCLUDE_DIR=\"$(local_includedir)\" \
-+  -DLOCAL_INCLUDE_DIR=\"/no-such-dir\" \
-   -DCROSS_INCLUDE_DIR=\"$(CROSS_SYSTEM_HEADER_DIR)\" \
-   -DTOOL_INCLUDE_DIR=\"$(gcc_tooldir)/include\" \
-   @TARGET_SYSTEM_ROOT_DEFINE@
-diff -ruN gcc-4.1.0/libstdc++-v3/include/Makefile.in gcc-4.1.0.new/libstdc++-v3/include/Makefile.in
---- gcc-4.1.0/libstdc++-v3/include/Makefile.in	2006-01-10 18:14:00.000000000 +0100
-+++ gcc-4.1.0.new/libstdc++-v3/include/Makefile.in	2006-03-01 18:57:32.000000000 +0100
-@@ -1257,8 +1257,8 @@
- 	if [ ! -d "${pch_output_builddir}" ]; then \
- 	  mkdir -p ${pch_output_builddir}; \
- 	fi; \
--	$(CXX) $(PCHFLAGS) $(AM_CPPFLAGS) ${pch_source} -O0 -g -o ${pch_output_builddir}/O0g.gch; \
--	$(CXX) $(PCHFLAGS) $(AM_CPPFLAGS) ${pch_source} -O2 -g -o ${pch_output_builddir}/O2g.gch;
-+	$(CXX) $(CFLAGS) $(PCHFLAGS) $(AM_CPPFLAGS) ${pch_source} -O0 -g -o ${pch_output_builddir}/O0g.gch; \
-+	$(CXX) $(CFLAGS) $(PCHFLAGS) $(AM_CPPFLAGS) ${pch_source} -O2 -g -o ${pch_output_builddir}/O2g.gch;
- 
- # For robustness sake (in light of junk files or in-source
- # configuration), copy from the build or source tree to the install
-diff -ruN gcc-4.1.0/ltcf-cxx.sh gcc-4.1.0.new/ltcf-cxx.sh
---- gcc-4.1.0/ltcf-cxx.sh	2005-07-16 04:30:53.000000000 +0200
-+++ gcc-4.1.0.new/ltcf-cxx.sh	2006-03-01 18:58:15.000000000 +0100
-@@ -989,7 +989,7 @@
-   # the conftest object file.
-   pre_test_object_deps_done=no
- 
--  for p in `eval $output_verbose_link_cmd`; do
-+  for p in `true`; do
- 
-     case $p in
- 
-diff -ruN gcc-4.1.0/ltconfig gcc-4.1.0.new/ltconfig
---- gcc-4.1.0/ltconfig	2005-07-16 04:30:53.000000000 +0200
-+++ gcc-4.1.0.new/ltconfig	2006-03-01 18:59:58.000000000 +0100
-@@ -2322,6 +2322,11 @@
- # A language-specific compiler.
- CC=$CC
- 
-+# Ugly hack to get libmudflap (and possibly other libraries) to build.
-+# Libtool filters out \`-B' flags when linking (why?), so the \`-B' flag
-+# to Glibc gets lost.  Here we forcibly add it to any invocation.
-+CC="\$CC $NIX_EXTRA_LDFLAGS"
-+
- # Is the compiler the GNU C compiler?
- with_gcc=$with_gcc
- 
-diff -ruN gcc-4.1.0/Makefile.in gcc-4.1.0.new/Makefile.in
---- gcc-4.1.0/Makefile.in	2005-12-15 15:02:02.000000000 +0100
-+++ gcc-4.1.0.new/Makefile.in	2006-03-01 19:41:04.000000000 +0100
-@@ -286,7 +286,7 @@
- WINDRES = @WINDRES@
- 
- CFLAGS = @CFLAGS@
--LDFLAGS = 
-+LDFLAGS = $(NIX_EXTRA_LDFLAGS)
- LIBCFLAGS = $(CFLAGS)
- CXXFLAGS = @CXXFLAGS@
- LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
-@@ -329,12 +329,12 @@
- # CFLAGS will be just -g.  We want to ensure that TARGET libraries
- # (which we know are built with gcc) are built with optimizations so
- # prepend -O2 when setting CFLAGS_FOR_TARGET.
--CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-+CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET) $(NIX_EXTRA_CFLAGS)
- SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
--CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-+CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET) $(NIX_EXTRA_CFLAGS)
- LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
- LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
--LDFLAGS_FOR_TARGET = 
-+LDFLAGS_FOR_TARGET = $(NIX_EXTRA_LDFLAGS)
- PICFLAG_FOR_TARGET = 
- 
- # ------------------------------------
diff --git a/pkgs/development/compilers/gcc-4.1/pass-cxxcpp.patch b/pkgs/development/compilers/gcc-4.1/pass-cxxcpp.patch
deleted file mode 100644
index 9b0676d4fdc9..000000000000
--- a/pkgs/development/compilers/gcc-4.1/pass-cxxcpp.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff -rc gcc-orig/Makefile.in gcc-4.1.1/Makefile.in
-*** gcc-orig/Makefile.in	Wed Jun 21 13:40:23 2006
---- gcc-4.1.1/Makefile.in	Wed Jun 21 14:19:44 2006
-***************
-*** 213,219 ****
-  RAW_CXX_TARGET_EXPORTS = \
-  	$(BASE_TARGET_EXPORTS) \
-  	CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
-! 	CXX="$(RAW_CXX_FOR_TARGET)"; export CXX;
-  
-  NORMAL_TARGET_EXPORTS = \
-  	$(BASE_TARGET_EXPORTS) \
---- 213,220 ----
-  RAW_CXX_TARGET_EXPORTS = \
-  	$(BASE_TARGET_EXPORTS) \
-  	CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
-! 	CXX="$(RAW_CXX_FOR_TARGET) $(CFLAGS_FOR_BUILD)"; export CXX; \
-! 	CXXCPP="$(RAW_CXX_FOR_TARGET) $(CFLAGS_FOR_BUILD) -E"; export CXXCPP;
-  
-  NORMAL_TARGET_EXPORTS = \
-  	$(BASE_TARGET_EXPORTS) \