diff --git a/logo/china-logo-readme.png b/logo/china-logo-readme.png
deleted file mode 100644
index fc9d07d0..00000000
Binary files a/logo/china-logo-readme.png and /dev/null differ
diff --git a/logo/flag-china.svg b/logo/flag-china.svg
deleted file mode 100644
index 9682d861..00000000
--- a/logo/flag-china.svg
+++ /dev/null
@@ -1,54 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
-<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 512 512" style="enable-background:new 0 0 512 512;" xml:space="preserve">
-<path style="fill:#FF4B55;" d="M503.172,423.724H8.828c-4.875,0-8.828-3.953-8.828-8.828V97.103c0-4.875,3.953-8.828,8.828-8.828
-	h494.345c4.875,0,8.828,3.953,8.828,8.828v317.793C512,419.772,508.047,423.724,503.172,423.724z"/>
-<g>
-	<path style="fill:#FFE15A;" d="M85.007,140.732l8.416,25.234l26.6,0.206c3.444,0.026,4.872,4.422,2.101,6.467l-21.398,15.801
-		l8.023,25.362c1.038,3.284-2.7,5.999-5.502,3.997L81.607,202.33l-21.64,15.468c-2.802,2.003-6.54-0.714-5.502-3.997l8.023-25.362
-		L41.09,172.639c-2.771-2.046-1.343-6.441,2.101-6.467l26.6-0.206l8.416-25.234C79.297,137.464,83.918,137.464,85.007,140.732z"/>
-	<path style="fill:#FFE15A;" d="M181.599,146.95l6.035,8.23l9.739-3.046c1.261-0.394,2.298,1.044,1.526,2.115l-5.962,8.281
-		l5.906,8.321c0.765,1.077-0.282,2.508-1.54,2.105l-9.719-3.111l-6.089,8.189c-0.788,1.06-2.473,0.506-2.478-0.814l-0.045-10.205
-		l-9.67-3.261c-1.251-0.423-1.246-2.195,0.009-2.609l9.69-3.196l0.114-10.204C179.129,146.426,180.818,145.885,181.599,146.95z"/>
-	<path style="fill:#FFE15A;" d="M144.857,122.42l10.145,1.102l4.328-9.241c0.561-1.196,2.321-0.991,2.591,0.302l2.086,9.988
-		l10.126,1.26c1.311,0.163,1.66,1.901,0.513,2.558l-8.855,5.07l1.931,10.02c0.25,1.298-1.295,2.166-2.274,1.279l-7.559-6.855
-		l-8.932,4.932c-1.156,0.639-2.461-0.563-1.919-1.768l4.183-9.308l-7.452-6.972C142.805,123.889,143.544,122.278,144.857,122.42z"/>
-	<path style="fill:#FFE15A;" d="M160.895,221.313l-6.035,8.23l-9.739-3.046c-1.261-0.394-2.298,1.044-1.526,2.115l5.962,8.281
-		l-5.906,8.321c-0.765,1.077,0.282,2.508,1.54,2.105l9.719-3.111l6.089,8.189c0.788,1.06,2.473,0.506,2.478-0.814l0.045-10.205
-		l9.67-3.261c1.252-0.423,1.246-2.195-0.009-2.609l-9.69-3.196l-0.114-10.204C163.363,220.79,161.676,220.247,160.895,221.313z"/>
-	<path style="fill:#FFE15A;" d="M197.635,198.262l-10.145,1.102l-4.328-9.241c-0.561-1.196-2.321-0.991-2.591,0.302l-2.087,9.988
-		l-10.126,1.26c-1.311,0.163-1.66,1.901-0.513,2.558l8.855,5.07l-1.931,10.02c-0.25,1.298,1.295,2.166,2.274,1.279l7.559-6.855
-		l8.932,4.932c1.156,0.639,2.461-0.563,1.919-1.768l-4.183-9.308l7.452-6.972C199.689,199.731,198.95,198.12,197.635,198.262z"/>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-<g>
-</g>
-</svg>