diff --git a/website/content/en/platforms/amd64.adoc b/website/content/en/platforms/amd64.adoc
--- a/website/content/en/platforms/amd64.adoc
+++ b/website/content/en/platforms/amd64.adoc
@@ -32,14 +32,8 @@
 
 === AMD64 Documentation
 
-* http://support.amd.com/us/Processor_TechDocs/32200.pdf[AMD x86-64 Architecture Specification]
-* http://support.amd.com/us/Processor_TechDocs/24592_APM_v1.pdf[AMD64 Architecture Application Programmer's Manual]
-* http://support.amd.com/us/Processor_TechDocs/24593_APM_v2.pdf[AMD64 Architecture System Programmer's Manual]
-* http://www.x86-64.org/documentation/abi.pdf[AMD x86-64 DRAFT Processor-specific Application Binary Interface Specification]
-
-=== Software Tools
-
-* http://www.x86-64.org/downloads.html[Bochs and Simics Simulators and Tools]
+* https://www.amd.com/system/files/TechDocs/40332.pdf[AMD64 Architecture Programmer’s Manual Volumes 1–5]
+* https://www.intel.com/content/dam/develop/external/us/en/documents/mpx-linux64-abi.pdf[System V Application Binary Interface AMD64 Architecture Processor Supplement (With LP64 and ILP32 Programming Models)]
 
 === Related Projects