diff --git a/P/pom.xml b/P/pom.xml
index e7de59a073d33af7414b4c5a0825b57d243326a0..6258f8a0e3945db8843e6f3e0b709cf9e12796b6 100644
--- a/P/pom.xml
+++ b/P/pom.xml
@@ -64,12 +64,11 @@
     <module>Sd1/Figure/ToString</module>
     <module>Sd1/Figure/Scale</module>
     <module>Sd1/Figure/BaseClass</module>
+    <module>Sd1/math/V0_5</module>
     <module>Sd1/math/V0_7</module>
     <module>Sd1/math/V1</module>
-    <module>Sd1/math/V3</module>
-    <module>Sd1/math/V4</module>
     <module>Sd1/math/V2</module>
-    <module>Sd1/math/V0_5</module>
+    <module>Sd1/math/V3</module>
     <module>Sd1/HtmlFormatting/Simple/Exercise</module>
     <module>Sd1/HtmlFormatting/Simple/Solution</module>
     <module>Sd1/TicTacToe/V1</module>