diff --git a/library/silabs_fb.lbr b/library/silabs_fb.lbr
deleted file mode 100644
index d94c664..0000000
--- a/library/silabs_fb.lbr
+++ /dev/null
@@ -1,226 +0,0 @@
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-
-
-Source: http://www.silabs.com&lt;p&gt;
-&lt;author&gt;Created by fbleikamp@web.de&lt;/author&gt;</description>
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-Source: www.silabs.com .. EFM8UB1_DataSheet.pdf</description>
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-<description>&lt;b&gt;EFM8UB1X-QFN20-C with corner pads&lt;/b&gt;&lt;p&gt;
-Source: www.silabs.com .. EFM8UB1_DataSheet.pdf</description>
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-<pin name="D+" x="-15.24" y="7.62" length="short"/>
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-<pin name="P2.0/C2D" x="12.7" y="-12.7" length="short" rot="R180"/>
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-<deviceset name="EFM8UB1-QFN20" prefix="IC" uservalue="yes">
-<description>&lt;b&gt;EFM8UB1X-QFN20-C with corner pads&lt;/b&gt;&lt;p&gt;
-Source: www.silabs.com .. EFM8UB1_DataSheet.pdf</description>
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-<device name="" package="QFN20-C">
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-<connect gate="G$1" pin="D+" pad="4"/>
-<connect gate="G$1" pin="D-" pad="5"/>
-<connect gate="G$1" pin="GND" pad="3"/>
-<connect gate="G$1" pin="GND@1" pad="12"/>
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-<connect gate="G$1" pin="P1.1" pad="13"/>
-<connect gate="G$1" pin="P1.2" pad="11"/>
-<connect gate="G$1" pin="P2.0/C2D" pad="10"/>
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-<connect gate="G$1" pin="VREGIN" pad="7"/>
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