diff --git a/mingw-w64-crt/lib-common/api-ms-win-core-rtlsupport-l1-2-0.def b/mingw-w64-crt/lib-common/api-ms-win-core-rtlsupport-l1-2-0.def
index 2c4b211..7d59326 100644
--- a/mingw-w64-crt/lib-common/api-ms-win-core-rtlsupport-l1-2-0.def
+++ b/mingw-w64-crt/lib-common/api-ms-win-core-rtlsupport-l1-2-0.def
@@ -2,19 +2,6 @@
 
 EXPORTS
 
-RtlAddFunctionTable
 RtlAddGrowableFunctionTable
-RtlCaptureContext
-RtlCaptureStackBackTrace
-RtlCompareMemory
-RtlDeleteFunctionTable
 RtlDeleteGrowableFunctionTable
-RtlInstallFunctionTableCallback
 RtlGrowFunctionTable
-RtlLookupFunctionEntry
-RtlPcToFileHeader
-RtlRaiseException
-RtlRestoreContext
-RtlUnwind
-RtlUnwindEx
-RtlVirtualUnwind
diff --git a/mingw-w64-crt/lib-common/api-ms-win-core-rtlsupport-l1-2-0_windowsapp.def b/mingw-w64-crt/lib-common/api-ms-win-core-rtlsupport-l1-2-0_windowsapp.def
index 89e8d2d..06e121b 100644
--- a/mingw-w64-crt/lib-common/api-ms-win-core-rtlsupport-l1-2-0_windowsapp.def
+++ b/mingw-w64-crt/lib-common/api-ms-win-core-rtlsupport-l1-2-0_windowsapp.def
@@ -2,16 +2,3 @@
 
 EXPORTS
 
-RtlAddFunctionTable
-RtlCaptureContext
-RtlCaptureStackBackTrace
-RtlCompareMemory
-RtlDeleteFunctionTable
-RtlInstallFunctionTableCallback
-RtlLookupFunctionEntry
-RtlPcToFileHeader
-RtlRaiseException
-RtlRestoreContext
-RtlUnwind
-RtlUnwindEx
-RtlVirtualUnwind
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-rtlsupport-l1-2-0.def b/mingw-w64-crt/lib32/api-ms-win-core-rtlsupport-l1-2-0.def
index c3d634d..0e00a10 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-rtlsupport-l1-2-0.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-rtlsupport-l1-2-0.def
@@ -2,12 +2,9 @@
 
 EXPORTS
 
-RtlCaptureContext@4
-RtlCaptureStackBackTrace@16
 RtlCompareMemory@12
 RtlLookupFunctionEntry
 RtlPcToFileHeader@8
 RtlRaiseException@4
-RtlUnwind@16
 RtlUnwindEx
 RtlVirtualUnwind
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-rtlsupport-l1-2-0_windowsapp.def b/mingw-w64-crt/lib32/api-ms-win-core-rtlsupport-l1-2-0_windowsapp.def
index c3d634d..50532e9 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-rtlsupport-l1-2-0_windowsapp.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-rtlsupport-l1-2-0_windowsapp.def
@@ -2,12 +2,6 @@
 
 EXPORTS
 
-RtlCaptureContext@4
-RtlCaptureStackBackTrace@16
 RtlCompareMemory@12
-RtlLookupFunctionEntry
 RtlPcToFileHeader@8
 RtlRaiseException@4
-RtlUnwind@16
-RtlUnwindEx
-RtlVirtualUnwind