diff --git a/mingw-w64-crt/lib32/api-ms-win-core-com-l1-1-0.def b/mingw-w64-crt/lib32/api-ms-win-core-com-l1-1-0.def
index 0070f09..f694582 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-com-l1-1-0.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-com-l1-1-0.def
@@ -10,7 +10,7 @@
 CoCreateInstance@20
 CoCreateInstanceEx@24
 CoCreateInstanceFromApp@24
-CoDecrementMTAUsage
+CoDecrementMTAUsage@4
 CoDisconnectObject@8
 CoFreeUnusedLibraries@0
 CoFreeUnusedLibrariesEx@8
@@ -23,7 +23,7 @@
 CoGetMarshalSizeMax@24
 CoGetObjectContext@8
 CoGetStandardMarshal@24
-CoIncrementMTAUsage
+CoIncrementMTAUsage@4
 CoInitializeEx@8
 CoInitializeSecurity@36
 CoLockObjectExternal@12
@@ -44,7 +44,7 @@
 CoUninitialize@0
 CoUnmarshalInterface@12
 CoWaitForMultipleHandles@20
-CoWaitForMultipleObjects
+CoWaitForMultipleObjects@20
 CreateStreamOnHGlobal@12
 FreePropVariantArray@8
 GetHGlobalFromStream@8
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-com-l1-1-1.def b/mingw-w64-crt/lib32/api-ms-win-core-com-l1-1-1.def
index e2519dc..76cc5f4 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-com-l1-1-1.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-com-l1-1-1.def
@@ -10,7 +10,7 @@
 CoCreateInstance@20
 CoCreateInstanceEx@24
 CoCreateInstanceFromApp@24
-CoDecrementMTAUsage
+CoDecrementMTAUsage@4
 CoDisconnectObject@8
 CoFreeUnusedLibraries@0
 CoFreeUnusedLibrariesEx@8
@@ -23,7 +23,7 @@
 CoGetMarshalSizeMax@24
 CoGetObjectContext@8
 CoGetStandardMarshal@24
-CoIncrementMTAUsage
+CoIncrementMTAUsage@4
 CoInitializeEx@8
 CoInitializeSecurity@36
 CoLockObjectExternal@12
@@ -44,7 +44,7 @@
 CoUninitialize@0
 CoUnmarshalInterface@12
 CoWaitForMultipleHandles@20
-CoWaitForMultipleObjects
+CoWaitForMultipleObjects@20
 CreateStreamOnHGlobal@12
 FreePropVariantArray@8
 GetHGlobalFromStream@8
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-comm-l1-1-1.def b/mingw-w64-crt/lib32/api-ms-win-core-comm-l1-1-1.def
index 66b7c52..8e117dd 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-comm-l1-1-1.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-comm-l1-1-1.def
@@ -11,7 +11,7 @@
 GetCommProperties@8
 GetCommState@8
 GetCommTimeouts@8
-OpenCommPort@
+OpenCommPort@12
 PurgeComm@8
 SetCommBreak@4
 SetCommConfig@12
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-comm-l1-1-2.def b/mingw-w64-crt/lib32/api-ms-win-core-comm-l1-1-2.def
index 2ef835d..da35c9e 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-comm-l1-1-2.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-comm-l1-1-2.def
@@ -8,11 +8,11 @@
 GetCommConfig@12
 GetCommMask@8
 GetCommModemStatus@8
-GetCommPorts@
+GetCommPorts@12
 GetCommProperties@8
 GetCommState@8
 GetCommTimeouts@8
-OpenCommPort@
+OpenCommPort@12
 PurgeComm@8
 SetCommBreak@4
 SetCommConfig@12
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-memory-l1-1-5.def b/mingw-w64-crt/lib32/api-ms-win-core-memory-l1-1-5.def
index 45cd2bf..ed59133 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-memory-l1-1-5.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-memory-l1-1-5.def
@@ -18,10 +18,10 @@
 ReadProcessMemory@20
 ReclaimVirtualMemory@8
 ResetWriteWatch@8
-SetProcessValidCallTargets
+SetProcessValidCallTargets@20
 SetProcessWorkingSetSizeEx@16
 UnmapViewOfFile@4
-UnmapViewOfFile2@
+UnmapViewOfFile2@12
 UnmapViewOfFileEx@8
 VirtualAlloc@16
 VirtualAllocFromApp@16
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-realtime-l1-1-2.def b/mingw-w64-crt/lib32/api-ms-win-core-realtime-l1-1-2.def
index d5b90e0..03194f7 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-realtime-l1-1-2.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-realtime-l1-1-2.def
@@ -4,7 +4,7 @@
 
 ConvertAuxiliaryCounterToPerformanceCounter@16
 ConvertPerformanceCounterToAuxiliaryCounter@16
-QueryAuxiliaryCounterFrequency@
+QueryAuxiliaryCounterFrequency@4
 QueryInterruptTime@4
 QueryInterruptTimePrecise@4
 QueryThreadCycleTime@8
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-windowserrorreporting-l1-1-2.def b/mingw-w64-crt/lib32/api-ms-win-core-windowserrorreporting-l1-1-2.def
index e03b948..7049980 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-windowserrorreporting-l1-1-2.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-windowserrorreporting-l1-1-2.def
@@ -9,7 +9,7 @@
 WerRegisterFile@12
 WerRegisterMemoryBlock@8
 WerUnregisterAdditionalProcess@4
-WerUnregisterAppLocalDump@
+WerUnregisterAppLocalDump@0
 WerUnregisterCustomMetadata@4
 WerUnregisterExcludedMemoryBlock@4
 WerUnregisterFile@4
diff --git a/mingw-w64-crt/lib32/api-ms-win-gaming-tcui-l1-1-4.def b/mingw-w64-crt/lib32/api-ms-win-gaming-tcui-l1-1-4.def
index 1dc111e..8cb2171 100644
--- a/mingw-w64-crt/lib32/api-ms-win-gaming-tcui-l1-1-4.def
+++ b/mingw-w64-crt/lib32/api-ms-win-gaming-tcui-l1-1-4.def
@@ -9,7 +9,7 @@
 ProcessPendingGameUI@4
 ShowChangeFriendRelationshipUI@12
 ShowChangeFriendRelationshipUIForUser@16
-ShowCustomizeUserProfileUI@
+ShowCustomizeUserProfileUI@8
 ShowCustomizeUserProfileUIForUser@12
 ShowFindFriendsUI@8
 ShowFindFriendsUIForUser@12