diff --git a/mingw-w64-crt/lib-common/api-ms-win-core-synch-l1-1-0.def b/mingw-w64-crt/lib-common/api-ms-win-core-synch-l1-1-0.def
index 51c972b..3d89c69 100644
--- a/mingw-w64-crt/lib-common/api-ms-win-core-synch-l1-1-0.def
+++ b/mingw-w64-crt/lib-common/api-ms-win-core-synch-l1-1-0.def
@@ -25,7 +25,6 @@
 OpenEventA
 OpenEventW
 OpenMutexW
-OpenProcess
 OpenSemaphoreW
 OpenWaitableTimerW
 ReleaseMutex
diff --git a/mingw-w64-crt/lib32/api-ms-win-core-synch-l1-1-0.def b/mingw-w64-crt/lib32/api-ms-win-core-synch-l1-1-0.def
index eef3917..3dac640 100644
--- a/mingw-w64-crt/lib32/api-ms-win-core-synch-l1-1-0.def
+++ b/mingw-w64-crt/lib32/api-ms-win-core-synch-l1-1-0.def
@@ -25,7 +25,6 @@
 OpenEventA@12
 OpenEventW@12
 OpenMutexW@12
-OpenProcess@12
 OpenSemaphoreW@12
 OpenWaitableTimerW@12
 ReleaseMutex@4