diff --git a/man2/msgctl.2 b/man2/msgctl.2
index 9514f856b..2cdb87625 100644
--- a/man2/msgctl.2
+++ b/man2/msgctl.2
@@ -75,7 +75,7 @@ struct msqid_ds {
 .PP
 The
 .I ipc_perm
-structure is defined in \fI<sys/ipc.h>\fP as follows
+structure is defined as follows
 (the highlighted fields are settable using
 .BR IPC_SET ):
 .PP
diff --git a/man2/semctl.2 b/man2/semctl.2
index 457a395a4..f16e94144 100644
--- a/man2/semctl.2
+++ b/man2/semctl.2
@@ -93,7 +93,7 @@ struct semid_ds {
 .PP
 The
 .I ipc_perm
-structure is defined in \fI<sys/ipc.h>\fP as follows
+structure is defined as follows
 (the highlighted fields are settable using
 .BR IPC_SET ):
 .PP
diff --git a/man2/shmctl.2 b/man2/shmctl.2
index a77c2fa0c..18b9c096e 100644
--- a/man2/shmctl.2
+++ b/man2/shmctl.2
@@ -81,7 +81,7 @@ struct shmid_ds {
 .PP
 The
 .I ipc_perm
-structure is defined in \fI<sys/ipc.h>\fP as follows
+structure is defined as follows
 (the highlighted fields are settable using
 .BR IPC_SET ):
 .PP
diff --git a/man7/svipc.7 b/man7/svipc.7
index a29a0185c..baa4ea5c5 100644
--- a/man7/svipc.7
+++ b/man7/svipc.7
@@ -47,9 +47,7 @@ to store information needed in determining permissions to perform an
 IPC operation.
 The
 .I ipc_perm
-structure, defined by the
-.I <sys/ipc.h>
-system header file, includes the following members:
+structure includes the following members:
 .in +4n
 .nf