diff --git a/src/corelib/global/qconfig-bootstrapped.h b/src/corelib/global/qconfig-bootstrapped.h
index db77917444d..43a0c4082e2 100644
--- a/src/corelib/global/qconfig-bootstrapped.h
+++ b/src/corelib/global/qconfig-bootstrapped.h
@@ -115,7 +115,6 @@
 #else
 # define QT_FEATURE_renameat2 -1
 #endif
-#define QT_FEATURE_sharedmemory -1
 #define QT_FEATURE_shortcut -1
 #define QT_FEATURE_signaling_nan -1
 #define QT_FEATURE_slog2 -1