diff --git a/makesd/Version_Mapping.md b/makesd/Version_Mapping.md
index cd252e5caa92d14ff14f10346118723d21a6e200..25f9cd6555d2d98fcc8bc2445a7e4c59f7a96758 100644
--- a/makesd/Version_Mapping.md
+++ b/makesd/Version_Mapping.md
@@ -13,7 +13,7 @@ The following table describes the version mapping between the Atlas 200 DK Drive
 
 <table>
 <tr><td width="25%"><b>Driver and Firmware Version</b></td><td width="75%"><b>CANN Version</b></td></tr>
-<tr><td rowspan="10" valign="top">1.0.13.alpha</td><td>6.0.0.alpha003</td></tr>
+<tr><td rowspan="9" valign="top">1.0.13.alpha</td><td>6.0.0.alpha003</td></tr>
 <tr><td>6.0.0.alpha002</td></tr>
 <tr><td>6.0.0.alpha001</td></tr>
 <tr><td>6.0.RC1.alpha005</td></tr>
@@ -21,7 +21,6 @@ The following table describes the version mapping between the Atlas 200 DK Drive
 <tr><td>6.0.RC1.alpha002</td></tr>
 <tr><td>6.0.RC1.alpha001</td></tr>
 <tr><td>5.1.RC2.alpha008</td></tr>
-<tr><td>5.1.RC2.alpha001</td></tr>
 <tr><td>5.1.RC1.alpha005</td></tr>
 </tr>
 <tr><td rowspan="7" valign="top">1.0.12.alpha</td><td>5.1.RC1.alpha003</td></tr>