diff --git a/os/config/bomb b/os/config/bomb
index efab67c70a..5e43ff143c 100644
--- a/os/config/bomb
+++ b/os/config/bomb
@@ -12,6 +12,7 @@
 		<service name="RM"/>
 		<service name="CPU"/>
 		<service name="LOG"/>
+		<service name="SIGNAL"/>
 	</parent-provides>
 	<default-route>
 		<any-service> <parent/> <any-child/> </any-service>
diff --git a/os/config/demo b/os/config/demo
deleted file mode 100644
index b006312796..0000000000
--- a/os/config/demo
+++ /dev/null
@@ -1,40 +0,0 @@
-<config>
-	<parent-provides>
-		<service name="ROM"/>
-		<service name="RAM"/>
-		<service name="IRQ"/>
-		<service name="IO_MEM"/>
-		<service name="IO_PORT"/>
-		<service name="CAP"/>
-		<service name="PD"/>
-		<service name="RM"/>
-		<service name="CPU"/>
-		<service name="LOG"/>
-	</parent-provides>
-	<default-route>
-		<any-service> <parent/> <any-child/> </any-service>
-	</default-route>
-	<start name="ps2_drv">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Input"/></provides>
-	</start>
-	<start name="pci_drv">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="PCI"/></provides>
-	</start>
-	<start name="timer">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Timer"/></provides>
-	</start>
-	<start name="nitpicker">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Nitpicker"/></provides>
-	</start>
-	<start name="vesa_drv">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Framebuffer"/></provides>
-	</start>
-	<start name="launchpad">
-		<resource name="RAM" quantum="32M"/>
-	</start>
-</config>
diff --git a/os/config/gta01 b/os/config/gta01
deleted file mode 100644
index 53aab22d8e..0000000000
--- a/os/config/gta01
+++ /dev/null
@@ -1,35 +0,0 @@
-<config>
-	<parent-provides>
-		<service name="ROM"/>
-		<service name="RAM"/>
-		<service name="IRQ"/>
-		<service name="IO_MEM"/>
-		<service name="IO_PORT"/>
-		<service name="CAP"/>
-		<service name="PD"/>
-		<service name="RM"/>
-		<service name="CPU"/>
-		<service name="LOG"/>
-	</parent-provides>
-	<default-route>
-		<any-service> <parent/> <any-child/> </any-service>
-	</default-route>
-	<start name="gta01_drv">
-		<resource name="RAM" quantum="2M"/>
-		<provides>
-			<service name="Input"/>
-			<service name="Framebuffer"/>
-		</provides>
-	</start>
-	<start name="timer">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Timer"/></provides>
-	</start>
-	<start name="nitpicker">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Nitpicker"/></provides>
-	</start>
-	<start name="testnit">
-		<resource name="RAM" quantum="1M"/>
-	</start>
-</config>
diff --git a/os/config/linux_demo b/os/config/linux_demo
deleted file mode 100644
index 0c2b557ea8..0000000000
--- a/os/config/linux_demo
+++ /dev/null
@@ -1,43 +0,0 @@
-<!--
-
-Configuration for init
-======================
-
-Init processes a list of programs to start. The starting
-order corresponds to the order of the entries in the config
-section.
-
--->
-
-<config>
-	<parent-provides>
-		<service name="ROM"/>
-		<service name="RAM"/>
-		<service name="CAP"/>
-		<service name="PD"/>
-		<service name="RM"/>
-		<service name="CPU"/>
-		<service name="LOG"/>
-	</parent-provides>
-	<default-route>
-		<any-service> <parent/> <any-child/> </any-service>
-	</default-route>
-	<start name="fb_sdl">
-		<resource name="RAM" quantum="4M"/>
-		<provides>
-			<service name="Input"/>
-			<service name="Framebuffer"/>
-		</provides>
-	</start>
-	<start name="timer">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Timer"/></provides>
-	</start>
-	<start name="nitpicker">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Nitpicker"/></provides>
-	</start>
-	<start name="launchpad">
-		<resource name="RAM" quantum="32M"/>
-	</start>
-</config>
diff --git a/os/config/mixer b/os/config/mixer
deleted file mode 100644
index a31849968d..0000000000
--- a/os/config/mixer
+++ /dev/null
@@ -1,67 +0,0 @@
-<!--
-
-Example configuration for audio mixer and driver
-================================================
-
-The configuration uses the new init configuration
-elements. Please add 'SPECS += use_new_init' to your
-etc/specs.conf.
-
--->
-
-<config>
-	<parent-provides>
-		<service name="ROM"/>
-		<service name="RAM"/>
-		<service name="IRQ"/>
-		<service name="IO_MEM"/>
-		<service name="IO_PORT"/>
-		<service name="CAP"/>
-		<service name="PD"/>
-		<service name="RM"/>
-		<service name="CPU"/>
-		<service name="LOG"/>
-		<service name="SIGNAL"/>
-	</parent-provides>
-	<default-route>
-		<!-- all clients use the mixer for audio per default -->
-		<service name="Audio_out"> <child name="mixer"/> </service>
-		<any-service> <parent/> <any-child/> </any-service>
-	</default-route>
-
-	<start name="timer">
-		<resource name="RAM" quantum="512K"/>
-		<provides> <service name="Timer"/> </provides>
-	</start>
-
-	<start name="pci_drv">
-		<resource name="RAM" quantum="512K"/>
-		<provides> <service name="PCI"/> </provides>
-	</start>
-
-	<start name="audio_out_drv">
-		<resource name="RAM" quantum="8M"/>
-		<provides> <service name="Audio_out"/> </provides>
-	</start>
-
-	<start name="mixer">
-		<resource name="RAM" quantum="1M"/>
-		<provides> <service name="Audio_out"/> </provides>
-		<route>
-			<!-- use the actual driver as mixer back end -->
-			<service name="Audio_out"> <child name="audio_out_drv"/> </service>
-			<any-service> <parent/> <any-child/> </any-service>
-		</route>
-	</start>
-
-	<start name="test-audio_out">
-		<resource name="RAM" quantum="12M"/>
-		<config>
-			<!-- a bunch of raw media files in 2-channel FLOAT -->
-			<filename>silence.f32</filename>
-			<filename>silence.f32</filename>
-		</config>
-	</start>
-</config>
-
-<!-- vi: set ft=xml : -->
diff --git a/os/config/nested_config b/os/config/nested_config
index 5242607e62..bbb5314214 100644
--- a/os/config/nested_config
+++ b/os/config/nested_config
@@ -41,12 +41,14 @@ the 'configfile' tag:
 		<service name="CPU"/>
 		<service name="RM"/>
 		<service name="PD"/>
+		<service name="SIGNAL"/>
 	</parent-provides>
 	<start name="timer">
 		<resource name="RAM" quantum="1M"/>
 		<provides><service name="Timer"/></provides>
 		<route>
-			<service name="CAP"> <parent/> </service>
+			<service name="CAP">    <parent/> </service>
+			<service name="SIGNAL"> <parent/> </service>
 		</route>
 	</start>
 	<start name="init">
@@ -54,25 +56,28 @@ the 'configfile' tag:
 		<config>
 			<parent-provides>
 				<service name="Timer"/>
+				<service name="SIGNAL"/>
 				<service name="LOG"/>
 			</parent-provides>
 			<start name="test-timer">
 				<resource name="RAM" quantum="1M"/>
 				<route>
-					<service name="Timer"> <parent/> </service>
-					<service name="LOG">   <parent/> </service>
+					<service name="Timer">  <parent/> </service>
+					<service name="LOG">    <parent/> </service>
+					<service name="SIGNAL"> <parent/> </service>
 				</route>
 			</start>
 		</config>
 		<route>
-			<service name="Timer"> <child name="timer"/> </service>
-			<service name="LOG">   <parent/>             </service>
-			<service name="ROM">   <parent/>             </service>
-			<service name="RAM">   <parent/>             </service>
-			<service name="CAP">   <parent/>             </service>
-			<service name="CPU">   <parent/>             </service>
-			<service name="RM">    <parent/>             </service>
-			<service name="PD">    <parent/>             </service>
+			<service name="Timer">   <child name="timer"/> </service>
+			<service name="LOG">     <parent/>             </service>
+			<service name="ROM">     <parent/>             </service>
+			<service name="RAM">     <parent/>             </service>
+			<service name="CAP">     <parent/>             </service>
+			<service name="CPU">     <parent/>             </service>
+			<service name="RM">      <parent/>             </service>
+			<service name="PD">      <parent/>             </service>
+			<service name="SIGNAL"/> <parent/>             </service>
 		</route>
 	</start>
 </config>
diff --git a/os/doc/init.txt b/os/doc/init.txt
index 88f85ae31a..e8b3b83077 100644
--- a/os/doc/init.txt
+++ b/os/doc/init.txt
@@ -41,19 +41,22 @@ illustrated by an example (the following config file can be used on Linux):
 !   <parent-provides>
 !     <service name="CAP"/>
 !     <service name="LOG"/>
+!     <service name="SIGNAL"/>
 !   </parent-provides>
 !   <start name="timer">
 !     <resource name="RAM" quantum="1M"/>
 !     <provides> <service name="Timer"/> </provides>
 !     <route>
-!       <service name="CAP"> <parent/> </service>
+!       <service name="CAP">    <parent/> </service>
+!       <service name="SIGNAL"> <parent/> </service>
 !     </route>
 !   </start>
 !   <start name="test-timer">
 !     <resource name="RAM" quantum="1M"/>
 !     <route>
-!       <service name="Timer"> <child name="timer"/> </service>
-!       <service name="LOG">   <parent/>             </service>
+!       <service name="Timer">  <child name="timer"/> </service>
+!       <service name="LOG">    <parent/>             </service>
+!       <service name="SIGNAL"> <parent/>             </service>
 !     </route>
 !   </start>
 ! </config>
@@ -88,11 +91,12 @@ route. Instead of specifying a list of single service routes targeting the same
 destination, the wildcard '<any-service>' becomes handy. For example, instead
 of specifying
 ! <route>
-!   <service name="ROM"> <parent/> </service>
-!   <service name="RAM"> <parent/> </service>
-!   <service name="RM">  <parent/> </service>
-!   <service name="PD">  <parent/> </service>
-!   <service name="CPU"> <parent/> </service>
+!   <service name="ROM">    <parent/> </service>
+!   <service name="RAM">    <parent/> </service>
+!   <service name="RM">     <parent/> </service>
+!   <service name="PD">     <parent/> </service>
+!   <service name="CPU">    <parent/> </service>
+!   <service name="SIGNAL"> <parent/> </service>
 ! </route>
 the following shortcut can be used:
 ! <route>
@@ -192,12 +196,14 @@ child is routed to the timer service started at the first-level init instance.
 !     <service name="CPU"/>
 !     <service name="RM"/>
 !     <service name="PD"/>
+!     <service name="SIGNAL"/>
 !   </parent-provides>
 !   <start name="timer">
 !     <resource name="RAM" quantum="1M"/>
 !     <provides><service name="Timer"/></provides>
 !     <route>
-!       <service name="CAP"> <parent/> </service>
+!       <service name="CAP">    <parent/> </service>
+!       <service name="SIGNAL"> <parent/> </service>
 !     </route>
 !   </start>
 !   <start name="init">
@@ -206,24 +212,27 @@ child is routed to the timer service started at the first-level init instance.
 !       <parent-provides>
 !         <service name="Timer"/>
 !         <service name="LOG"/>
+!         <service name="SIGNAL"/>
 !       </parent-provides>
 !       <start name="test-timer">
 !         <resource name="RAM" quantum="1M"/>
 !         <route>
-!           <service name="Timer"> <parent/> </service>
-!           <service name="LOG">   <parent/> </service>
+!           <service name="Timer">  <parent/> </service>
+!           <service name="LOG">    <parent/> </service>
+!           <service name="SIGNAL"> <parent/> </service>
 !         </route>
 !       </start>
 !     </config>
 !     <route>
-!       <service name="Timer"> <child name="timer"/> </service>
-!       <service name="LOG">   <parent/>             </service>
-!       <service name="ROM">   <parent/>             </service>
-!       <service name="RAM">   <parent/>             </service>
-!       <service name="CAP">   <parent/>             </service>
-!       <service name="CPU">   <parent/>             </service>
-!       <service name="RM">    <parent/>             </service>
-!       <service name="PD">    <parent/>             </service>
+!       <service name="Timer">  <child name="timer"/> </service>
+!       <service name="LOG">    <parent/>             </service>
+!       <service name="ROM">    <parent/>             </service>
+!       <service name="RAM">    <parent/>             </service>
+!       <service name="CAP">    <parent/>             </service>
+!       <service name="CPU">    <parent/>             </service>
+!       <service name="RM">     <parent/>             </service>
+!       <service name="PD">     <parent/>             </service>
+!       <service name="SIGNAL"> <parent/>             </service>
 !     </route>
 !   </start>
 ! </config>
diff --git a/ports-okl4/config/init_config b/ports-okl4/config/init_config
deleted file mode 100644
index 4600fb368d..0000000000
--- a/ports-okl4/config/init_config
+++ /dev/null
@@ -1,76 +0,0 @@
-<!---------------------------------------->
-<!--  Example configuration for init,   -->
-<!--  starting a single Linux instance  -->
-<!--  as fullscreen app. with network   -->
-<!--  connection and a root-filesystem  -->
-<!--  in an image file                  -->
-<!---------------------------------------->
-
-<config>
-
-	<!-------------------------->
-	<!-- Global routing table -->
-	<!-------------------------->
-	<parent-provides>
-		<service name="ROM"/>
-		<service name="RAM"/>
-		<service name="IRQ"/>
-		<service name="IO_MEM"/>
-		<service name="IO_PORT"/>
-		<service name="CAP"/>
-		<service name="PD"/>
-		<service name="RM"/>
-		<service name="CPU"/>
-		<service name="LOG"/>
-	</parent-provides>
-	<default-route>
-		<any-service> <parent/> <any-child/> </any-service>
-	</default-route>
-
-	<!------------------->
-	<!-- Start entries -->
-	<!------------------->
-	<start name="ps2_drv">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Input"/></provides>
-	</start>
-	<start name="pci_drv">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="PCI"/></provides>
-	</start>
-	<start name="vesa_drv">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Framebuffer"/></provides>
-	</start>
-	<start name="nic_drv">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Nic"/></provides>
-	</start>
-	<start name="timer">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Timer"/></provides>
-	</start>
-
-	<!-- Block service providing rootfs used by OKLinux/Genode block driver -->
-	<start name="rom_loopdev">
-		<resource name="RAM" quantum="1M"/>
-		<provides><service name="Block"/></provides>
-		<config>
-			<filename>rootfs.img</filename>
-		</config>
-	</start>
-
-	<!-- Linux instance using a framebuffer, block and nic session -->
-	<start name="vmlinux">
-		<resource name="RAM" quantum="64M"/>
-		<config>
-			<commandline args="root=/dev/sda"/>
-			<initrd name="initrd.gz"/>
-			<screens>
-				<framebuffer/>
-			</screens>
-			<block/>
-			<nic/>
-		</config>
-	</start>
-</config>
diff --git a/ports/run/libc_noux.run b/ports/run/libc_noux.run
index 81e5a6e219..e6ec954a8d 100644
--- a/ports/run/libc_noux.run
+++ b/ports/run/libc_noux.run
@@ -38,13 +38,13 @@ append config {
 			<resource name="RAM" quantum="1M"/>
 			<provides><service name="Timer"/></provides>
 		</start>
-                <start name="uart_drv">
-                        <resource name="RAM" quantum="1M"/>
-                        <provides><service name="Terminal"/></provides>
-                        <config>
-                                <policy label="noux" uart="1"/>
-                        </config>
-                </start>
+		<start name="uart_drv">
+			<resource name="RAM" quantum="1M"/>
+			<provides><service name="Terminal"/></provides>
+			<config>
+				<policy label="noux" uart="1"/>
+			</config>
+		</start>
 		<start name="ram_fs">
 			<resource name="RAM" quantum="10M"/>
 			<provides><service name="File_system"/></provides>
diff --git a/qt4/run/calculatorform.run b/qt4/run/calculatorform.run
index c33e0aeba0..ba7793980e 100644
--- a/qt4/run/calculatorform.run
+++ b/qt4/run/calculatorform.run
@@ -32,6 +32,7 @@ set config {
 		<service name="RM"/>
 		<service name="CPU"/>
 		<service name="LOG"/>
+		<service name="SIGNAL"/>
 	</parent-provides>
 	<default-route>
 		<any-service> <parent/> <any-child/> </any-service>
diff --git a/qt4/run/previewer.run b/qt4/run/previewer.run
index 064da77dec..a0154c3f42 100644
--- a/qt4/run/previewer.run
+++ b/qt4/run/previewer.run
@@ -32,6 +32,7 @@ set config {
 		<service name="RM"/>
 		<service name="CPU"/>
 		<service name="LOG"/>
+		<service name="SIGNAL"/>
 	</parent-provides>
 	<default-route>
 		<any-service> <parent/> <any-child/> </any-service>
diff --git a/qt4/run/qt4.run b/qt4/run/qt4.run
index 95b8897667..7c88341094 100644
--- a/qt4/run/qt4.run
+++ b/qt4/run/qt4.run
@@ -34,6 +34,7 @@ set config {
 		<service name="RM"/>
 		<service name="CPU"/>
 		<service name="LOG"/>
+		<service name="SIGNAL"/>
 	</parent-provides>
 	<default-route>
 		<any-service> <parent/> <any-child/> </any-service>
diff --git a/qt4/run/tetrix.run b/qt4/run/tetrix.run
index 0864594680..611e82b87c 100644
--- a/qt4/run/tetrix.run
+++ b/qt4/run/tetrix.run
@@ -32,6 +32,7 @@ set config {
 		<service name="RM"/>
 		<service name="CPU"/>
 		<service name="LOG"/>
+		<service name="SIGNAL"/>
 	</parent-provides>
 	<default-route>
 		<any-service> <parent/> <any-child/> </any-service>
diff --git a/qt4/src/test/qpluginwidget/config.plugin b/qt4/src/test/qpluginwidget/config.plugin
index ec274cfca5..2e6367d5a8 100644
--- a/qt4/src/test/qpluginwidget/config.plugin
+++ b/qt4/src/test/qpluginwidget/config.plugin
@@ -5,8 +5,8 @@
 		<service name="Nitpicker"/>
 	</parent-provides>
 	<default-route>
-        <any-service> <parent/> <any-child/> </any-service>
-    </default-route>
+		<any-service> <parent/> <any-child/> </any-service>
+	</default-route>
 	<start name="testnit">
 		<resource name="RAM" quantum="1M"/>
 	</start>