diff --git a/include_core/omrport.h b/include_core/omrport.h
index db121ce5b29..2643ebd35df 100644
--- a/include_core/omrport.h
+++ b/include_core/omrport.h
@@ -1479,28 +1479,6 @@ typedef enum OMRProcessorArchitecture {
 	OMR_PROCESSOR_X86_AMD_FAMILY15H,
 	OMR_PROCESSOR_X86_AMD_LAST = OMR_PROCESSOR_X86_AMD_FAMILY15H,
 
-	/**
-	 * Keep the original macro definitions until all known downstream projects
-	 * complete the switch to the new names
-	 */
-	// <ORIGINAL MACROS>
-	OMR_PROCESSOR_X86_INTELPENTIUM = OMR_PROCESSOR_X86_INTEL_PENTIUM,
-	OMR_PROCESSOR_X86_INTELP6 = OMR_PROCESSOR_X86_INTEL_P6,
-	OMR_PROCESSOR_X86_INTELPENTIUM4 = OMR_PROCESSOR_X86_INTEL_PENTIUM4,
-	OMR_PROCESSOR_X86_INTELCORE2 = OMR_PROCESSOR_X86_INTEL_CORE2,
-	OMR_PROCESSOR_X86_INTELTULSA = OMR_PROCESSOR_X86_INTEL_TULSA,
-	OMR_PROCESSOR_X86_INTELNEHALEM = OMR_PROCESSOR_X86_INTEL_NEHALEM,
-	OMR_PROCESSOR_X86_INTELWESTMERE = OMR_PROCESSOR_X86_INTEL_WESTMERE,
-	OMR_PROCESSOR_X86_INTELSANDYBRIDGE = OMR_PROCESSOR_X86_INTEL_SANDYBRIDGE,
-	OMR_PROCESSOR_X86_INTELIVYBRIDGE = OMR_PROCESSOR_X86_INTEL_IVYBRIDGE,
-	OMR_PROCESSOR_X86_INTELHASWELL = OMR_PROCESSOR_X86_INTEL_HASWELL,
-	OMR_PROCESSOR_X86_INTELBROADWELL = OMR_PROCESSOR_X86_INTEL_BROADWELL,
-	OMR_PROCESSOR_X86_INTELSKYLAKE = OMR_PROCESSOR_X86_INTEL_SKYLAKE,
-	OMR_PROCESSOR_X86_AMDATHLONDURON = OMR_PROCESSOR_X86_AMD_ATHLONDURON,
-	OMR_PROCESSOR_X86_AMDOPTERON = OMR_PROCESSOR_X86_AMD_OPTERON,
-	OMR_PROCESSOR_X86_AMDFAMILY15H = OMR_PROCESSOR_X86_AMD_FAMILY15H,
-	// </ORIGINAL MACROS>
-
 	OMR_PROCESSOR_X86_LAST = OMR_PROCESSOR_X86_AMD_FAMILY15H,
 
 	OMR_PROCESSOR_RISCV32_UNKNOWN,