diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 74392760b8..697ddab727 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -1102,7 +1102,7 @@ qemuDomainStorageSourceHasAuth(virStorageSourcePtr src)
 }
 
 
-bool
+static bool
 qemuDomainDiskHasEncryptionSecret(virStorageSourcePtr src)
 {
     if (!virStorageSourceIsEmpty(src) && src->encryption &&
diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index ae3c3bf1da..1ddac52092 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -837,9 +837,6 @@ void qemuDomainSecretDiskDestroy(virDomainDiskDefPtr disk)
 bool qemuDomainStorageSourceHasAuth(virStorageSourcePtr src)
     ATTRIBUTE_NONNULL(1);
 
-bool qemuDomainDiskHasEncryptionSecret(virStorageSourcePtr src)
-    ATTRIBUTE_NONNULL(1);
-
 qemuDomainSecretInfoPtr
 qemuDomainSecretInfoTLSNew(qemuDomainObjPrivatePtr priv,
                            const char *srcAlias,