diff --git a/doc/manual/en/images/PullPushAdapter.fig b/doc/manual/en/images/PullPushAdapter.fig
deleted file mode 100644
index 386f154ea5d..00000000000
--- a/doc/manual/en/images/PullPushAdapter.fig
+++ /dev/null
@@ -1,64 +0,0 @@
-#FIG 3.2
-Landscape
-Center
-Inches
-Letter  
-301.00
-Single
--2
-1200 2
-6 3750 2700 4050 3300
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 2
-	 3750 2700 3750 3300
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 2
-	 4050 2700 4050 3300
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 2
-	 3750 2775 4050 2775
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 2
-	 3750 2925 4050 2925
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 2
-	 3750 3075 4050 3075
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 2
-	 3750 3225 4050 3225
--6
-6 3075 1875 3300 2325
-3 2 0 1 0 7 100 0 -1 0.000 0 0 0 7
-	 3131 1932 3244 2020 3075 2063 3244 2151 3075 2194 3244 2282
-	 3131 2325
-	 0.000 -1.000 -1.000 -1.000 -1.000 -1.000 0.000
--6
-2 2 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 5
-	 2100 2550 4350 2550 4350 3450 2100 3450 2100 2550
-2 2 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 5
-	 2775 1800 4350 1800 4350 2400 2775 2400 2775 1800
-2 4 0 1 0 7 100 0 -1 0.000 0 0 7 0 0 5
-	 4350 1275 4350 600 2025 600 2025 1275 4350 1275
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 1 0 2
-	0 0 1.00 60.00 120.00
-	 3900 1950 2850 1350
-2 2 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 5
-	 3375 975 4200 975 4200 1275 3375 1275 3375 975
-2 2 0 1 0 7 100 0 -1 0.000 0 0 -1 0 0 5
-	 2775 975 3300 975 3300 1275 2775 1275 2775 975
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 1 0 2
-	0 0 1.00 60.00 120.00
-	 2475 1275 2475 2550
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 1 0 2
-	0 0 1.00 60.00 120.00
-	 2475 2925 2475 3750
-2 1 0 1 0 7 100 0 -1 0.000 0 0 -1 1 0 2
-	0 0 1.00 60.00 120.00
-	 3900 3750 3900 3300
-2 2 0 1 0 7 100 0 20 0.000 0 0 -1 0 0 5
-	 2175 2550 2775 2550 2775 2850 2175 2850 2175 2550
-3 0 0 1 0 7 100 0 -1 0.000 0 1 0 4
-	0 0 1.00 60.00 120.00
-	 3375 2250 3825 2700 3900 2775 3900 1275
-	 0.000 1.000 1.000 0.000
-4 0 0 50 0 16 11 0.0000 4 120 1035 2700 4125 Protocol Stack\001
-4 0 0 50 0 16 11 0.0000 4 120 360 2250 2775 Send\001
-4 0 0 50 0 16 11 0.0000 4 120 330 2850 1200 View\001
-4 0 0 50 0 16 11 0.0000 4 120 525 3450 1200 Receive\001
-4 0 0 50 0 16 11 0.0000 4 150 765 4575 1050 Application\001
-4 0 0 50 0 16 11 0.0000 4 150 1140 4575 2175 PullPushAdapter\001
-4 0 0 50 0 16 11 0.0000 4 120 570 4575 3075 Channel\001
diff --git a/doc/manual/en/images/PullPushAdapter.png b/doc/manual/en/images/PullPushAdapter.png
deleted file mode 100644
index d48040a1a5d..00000000000
Binary files a/doc/manual/en/images/PullPushAdapter.png and /dev/null differ
diff --git a/doc/manual/pom.xml b/doc/manual/pom.xml
index b9ed5e6f64d..99fc334c2af 100644
--- a/doc/manual/pom.xml
+++ b/doc/manual/pom.xml
@@ -59,7 +59,7 @@
                 <plugin>
                     <groupId>org.jboss.maven.plugins</groupId>
                     <artifactId>maven-jdocbook-plugin</artifactId>
-                    <version>2.2.1</version>
+                    <version>2.3.8</version>
                     <extensions>true</extensions>
                     <dependencies>
                         <dependency>
@@ -72,7 +72,7 @@
                             <groupId>org.jboss.pressgang</groupId>
                             <artifactId>pressgang-jdocbook-style</artifactId>
                             <type>jdocbook-style</type>
-                            <version>2.0.0</version>
+                            <version>3.0.0</version>
                         </dependency>
                     </dependencies>
                     <configuration>
@@ -118,6 +118,10 @@
                                     <name>javax.xml.parsers.SAXParserFactory</name>
                                     <value>org.apache.xerces.jaxp.SAXParserFactoryImpl</value>
                                 </property>
+                                <property>
+                                    <name>ignoreImageScaling</name>
+                                    <value>0</value>
+                                </property>
                             </transformerParameters>
                         </options>
                     </configuration>