diff --git a/.gitignore b/.gitignore
index bd66cabe..8a7e99d0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -106,8 +106,8 @@ Makefile.in
 # /src/nix-store/
 /src/nix-store/nix-store
 
-# /src/nix-worker/
-/src/nix-worker/nix-worker
+# /src/nix-daemon/
+/src/nix-daemon/nix-daemon
 
 # /tests/
 /tests/test-tmp
diff --git a/configure.ac b/configure.ac
index 4b13ba27..11a5390f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -364,7 +364,7 @@ AC_CONFIG_FILES([Makefile
    src/libexpr/Makefile
    src/nix-instantiate/Makefile
    src/nix-env/Makefile
-   src/nix-worker/Makefile
+   src/nix-daemon/Makefile
    src/nix-setuid-helper/Makefile
    src/nix-log2xml/Makefile
    src/bsdiff-4.3/Makefile
diff --git a/doc/manual/Makefile.am b/doc/manual/Makefile.am
index 42da3c8b..eedc992a 100644
--- a/doc/manual/Makefile.am
+++ b/doc/manual/Makefile.am
@@ -23,7 +23,7 @@ man1_MANS = nix-env.1 nix-build.1 nix-store.1 nix-instantiate.1 \
 
 man5_MANS = nix.conf.5
 
-man8_MANS = nix-worker.8
+man8_MANS = nix-daemon.8
 
 FIGURES = figures/user-environments.png
 
diff --git a/doc/manual/env-common.xml b/doc/manual/env-common.xml
index c4c0f9d2..fcdd2c26 100644
--- a/doc/manual/env-common.xml
+++ b/doc/manual/env-common.xml
@@ -304,9 +304,9 @@ $ mount -o bind /mnt/otherdisk/nix /nix</screen>
   <literal>/var/run/nix/remote-stores</literal>.</para>
 
   <para>Note that if you’re building through the <link
-  linkend="sec-nix-worker">Nix daemon</link>, the only setting for
+  linkend="sec-nix-daemon">Nix daemon</link>, the only setting for
   this variable that matters is the one that the
-  <command>nix-worker</command> process uses.  So if you want to
+  <command>nix-daemon</command> process uses.  So if you want to
   change it, you have to restart the daemon.</para></listitem>
 
 </varlistentry>
diff --git a/doc/manual/installation.xml b/doc/manual/installation.xml
index bbcc057f..fdab71fc 100644
--- a/doc/manual/installation.xml
+++ b/doc/manual/installation.xml
@@ -412,11 +412,11 @@ $ chown -R root /nix/store /nix/var/nix</screen>
 
 </para>
 
-<para>The <link linkend="sec-nix-worker">Nix daemon</link> should be
+<para>The <link linkend="sec-nix-daemon">Nix daemon</link> should be
 started as follows (as <literal>root</literal>):
 
 <screen>
-$ nix-worker --daemon</screen>
+$ nix-daemon</screen>
 
 You’ll want to put that line somewhere in your system’s boot
 scripts.</para>
@@ -450,11 +450,11 @@ named anything.  It should own the Nix store and database:
 <screen>
 $ chown -R nix /nix/store /nix/var/nix</screen>
 
-and of course <command>nix-worker --daemon</command> should be started
-under that user, e.g.,
+and of course <command>nix-daemon</command> should be started under
+that user, e.g.,
 
 <screen>
-$ su - nix -c "exec /nix/bin/nix-worker --daemon"</screen>
+$ su - nix -c "exec /nix/bin/nix-daemon"</screen>
 
 </para>
 
diff --git a/doc/manual/manual.xml b/doc/manual/manual.xml
index ccff9423..aa461d70 100644
--- a/doc/manual/manual.xml
+++ b/doc/manual/manual.xml
@@ -59,7 +59,7 @@
       <xi:include href="nix-prefetch-url.xml" />
       <xi:include href="nix-pull.xml" />
       <xi:include href="nix-push.xml" />
-      <xi:include href="nix-worker.xml" />
+      <xi:include href="nix-daemon.xml" />
     </section>
 
     <section>
diff --git a/doc/manual/nix-worker.xml b/doc/manual/nix-daemon.xml
similarity index 78%
rename from doc/manual/nix-worker.xml
rename to doc/manual/nix-daemon.xml
index 5ae9d59b..c68605fd 100644
--- a/doc/manual/nix-worker.xml
+++ b/doc/manual/nix-daemon.xml
@@ -1,24 +1,23 @@
 <refentry xmlns="http://docbook.org/ns/docbook"
           xmlns:xlink="http://www.w3.org/1999/xlink"
           xmlns:xi="http://www.w3.org/2001/XInclude"
-          xml:id="sec-nix-worker">
+          xml:id="sec-nix-daemon">
 
 <refmeta>
-  <refentrytitle>nix-worker</refentrytitle>
+  <refentrytitle>nix-daemon</refentrytitle>
   <manvolnum>8</manvolnum>
   <refmiscinfo class="source">Nix</refmiscinfo>
   <refmiscinfo class="version"><xi:include href="version.txt" parse="text"/></refmiscinfo>
 </refmeta>
 
 <refnamediv>
-  <refname>nix-worker</refname>
+  <refname>nix-daemon</refname>
   <refpurpose>Nix multi-user support daemon</refpurpose>
 </refnamediv>
 
 <refsynopsisdiv>
   <cmdsynopsis>
-    <command>nix-worker</command>
-    <arg choice="plain"><option>--daemon</option></arg>
+    <command>nix-daemon</command>
   </cmdsynopsis>
 </refsynopsisdiv>
 
diff --git a/doc/manual/release-notes.xml b/doc/manual/release-notes.xml
index 43d5080a..8d0840d0 100644
--- a/doc/manual/release-notes.xml
+++ b/doc/manual/release-notes.xml
@@ -10,7 +10,7 @@
 
 <section xml:id="ssec-relnotes-1.2"><title>Release 1.2 (TBA)</title>
 
-<para>This release has the following improvements:</para>
+<para>This release has the following improvements and changes:</para>
 
 <itemizedlist>
 
@@ -47,6 +47,12 @@ $ mount -o remount,ro,bind /nix/store
     modifications.</para>
   </listitem>
 
+  <listitem>
+    <para>The command <command>nix-worker</command> has been renamed
+    to <command>nix-daemon</command>.  Support for running the Nix
+    worker in “slave” mode has been removed.</para>
+  </listitem>
+
 </itemizedlist>
 
 </section>
diff --git a/misc/systemd/nix-worker.service b/misc/systemd/nix-daemon.service
similarity index 80%
rename from misc/systemd/nix-worker.service
rename to misc/systemd/nix-daemon.service
index 2ededfea..ee28209f 100644
--- a/misc/systemd/nix-worker.service
+++ b/misc/systemd/nix-daemon.service
@@ -4,7 +4,7 @@ After=syslog.target
 
 [Service]
 Type=simple
-ExecStart=/usr/bin/nix-worker --daemon
+ExecStart=/usr/bin/nix-daemon
 
 [Install]
 WantedBy=multi-user.target
diff --git a/nix.spec.in b/nix.spec.in
index 9d93c654..822684c5 100644
--- a/nix.spec.in
+++ b/nix.spec.in
@@ -139,7 +139,7 @@ chmod -x $RPM_BUILD_ROOT%{_sysconfdir}/profile.d/nix.sh
 %if ! 0%{?rhel} 
 # install systemd service descriptor
 mkdir -p $RPM_BUILD_ROOT%{_prefix}/lib/systemd/system
-cp -p misc/systemd/nix-worker.service \
+cp -p misc/systemd/nix-daemon.service \
   $RPM_BUILD_ROOT%{_prefix}/lib/systemd/system/
 %endif
 
@@ -173,8 +173,8 @@ chgrp %{nixbld_group} /nix/store
 chmod 1775 /nix/store
 %if ! 0%{?rhel}
 # Enable and start Nix worker
-systemctl enable nix-worker.service
-systemctl start  nix-worker.service
+systemctl enable nix-daemon.service
+systemctl start  nix-daemon.service
 %endif
 
 %files
@@ -186,7 +186,7 @@ systemctl start  nix-worker.service
 %exclude %dir %{perl_vendorarch}/auto/
 %{_prefix}/libexec/*
 %if ! 0%{?rhel}
-%{_prefix}/lib/systemd/system/nix-worker.service
+%{_prefix}/lib/systemd/system/nix-daemon.service
 %endif
 %{_datadir}/emacs/site-lisp/nix-mode.el
 %{_datadir}/nix
diff --git a/src/Makefile.am b/src/Makefile.am
index 25ae6799..0ae407c5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,3 +1,3 @@
 SUBDIRS = boost libutil libstore libmain nix-store nix-hash \
- libexpr nix-instantiate nix-env nix-worker nix-setuid-helper \
+ libexpr nix-instantiate nix-env nix-daemon nix-setuid-helper \
  nix-log2xml bsdiff-4.3
diff --git a/src/nix-daemon/Makefile.am b/src/nix-daemon/Makefile.am
new file mode 100644
index 00000000..b8e9f4a0
--- /dev/null
+++ b/src/nix-daemon/Makefile.am
@@ -0,0 +1,12 @@
+bin_PROGRAMS = nix-daemon
+
+nix_daemon_SOURCES = nix-daemon.cc
+nix_daemon_LDADD = ../libmain/libmain.la ../libstore/libstore.la ../libutil/libutil.la \
+ ../boost/format/libformat.la
+
+AM_CXXFLAGS = \
+ -I$(srcdir)/.. -I$(srcdir)/../libutil \
+ -I$(srcdir)/../libstore -I$(srcdir)/../libmain
+
+install-exec-local:
+	ln -sf nix-daemon $(DESTDIR)$(bindir)/nix-worker
diff --git a/src/nix-worker/nix-worker.cc b/src/nix-daemon/nix-daemon.cc
similarity index 98%
rename from src/nix-worker/nix-worker.cc
rename to src/nix-daemon/nix-daemon.cc
index 833fc351..6256258e 100644
--- a/src/nix-worker/nix-worker.cc
+++ b/src/nix-daemon/nix-daemon.cc
@@ -25,7 +25,7 @@ using namespace nix;
    disconnects and immediately kill any ongoing builds.  On platforms
    that lack it, we only notice the disconnection the next time we try
    to write to the client.  So if you have a builder that never
-   generates output on stdout/stderr, the worker will never notice
+   generates output on stdout/stderr, the daemon will never notice
    that the client has disconnected until the builder terminates. */
 #ifdef O_ASYNC
 #define HAVE_HUP_NOTIFICATION
@@ -677,7 +677,7 @@ static void processConnection()
         /* Prevent users from doing something very dangerous. */
         if (geteuid() == 0 &&
             querySetting("build-users-group", "") == "")
-            throw Error("if you run `nix-worker' as root, then you MUST set `build-users-group'!");
+            throw Error("if you run `nix-daemon' as root, then you MUST set `build-users-group'!");
 #endif
 
         /* Open the store. */
@@ -724,7 +724,7 @@ static void processConnection()
         assert(!canSendStderr);
     };
 
-    printMsg(lvlError, format("%1% worker operations") % opCount);
+    printMsg(lvlError, format("%1% operations") % opCount);
 }
 
 
@@ -858,7 +858,7 @@ static void daemonLoop()
             case 0:
                 try { /* child */
 
-                    /* Background the worker. */
+                    /* Background the daemon. */
                     if (setsid() == -1)
                         throw SysError(format("creating a new session"));
 
@@ -907,8 +907,8 @@ void run(Strings args)
 
 void printHelp()
 {
-    showManPage("nix-worker");
+    showManPage("nix-daemon");
 }
 
 
-string programId = "nix-worker";
+string programId = "nix-daemon";
diff --git a/src/nix-worker/Makefile.am b/src/nix-worker/Makefile.am
deleted file mode 100644
index 6b1b2827..00000000
--- a/src/nix-worker/Makefile.am
+++ /dev/null
@@ -1,9 +0,0 @@
-bin_PROGRAMS = nix-worker
-
-nix_worker_SOURCES = nix-worker.cc
-nix_worker_LDADD = ../libmain/libmain.la ../libstore/libstore.la ../libutil/libutil.la \
- ../boost/format/libformat.la
-
-AM_CXXFLAGS = \
- -I$(srcdir)/.. -I$(srcdir)/../libutil \
- -I$(srcdir)/../libstore -I$(srcdir)/../libmain
diff --git a/tests/common.sh.in b/tests/common.sh.in
index ee0ddfbb..f327ad72 100644
--- a/tests/common.sh.in
+++ b/tests/common.sh.in
@@ -59,9 +59,9 @@ clearManifests() {
 
 startDaemon() {
     # Start the daemon, wait for the socket to appear.  !!!
-    # ‘nix-worker’ should have an option to fork into the background.
+    # ‘nix-daemon’ should have an option to fork into the background.
     rm -f $NIX_STATE_DIR/daemon-socket/socket
-    nix-worker --daemon &
+    nix-daemon &
     for ((i = 0; i < 30; i++)); do
         if [ -e $NIX_STATE_DIR/daemon-socket/socket ]; then break; fi
         sleep 1