diff --git a/tools/tools/pirtool/pirtable.h b/tools/tools/pirtool/pirtable.h
index 6fe82f94ac03..86bed66652be 100644
--- a/tools/tools/pirtool/pirtable.h
+++ b/tools/tools/pirtool/pirtable.h
@@ -10,10 +10,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *        This product includes software developed by Bruce M. Simpson.
- * 4. Neither the name of Bruce M. Simpson nor the names of
+ * 3. Neither the name of Bruce M. Simpson nor the names of
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
diff --git a/tools/tools/pirtool/pirtool.c b/tools/tools/pirtool/pirtool.c
index af22074571db..2b854ccbdca0 100644
--- a/tools/tools/pirtool/pirtool.c
+++ b/tools/tools/pirtool/pirtool.c
@@ -10,10 +10,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *        This product includes software developed by Bruce M. Simpson.
- * 4. Neither the name of Bruce M. Simpson nor the names of
+ * 3. Neither the name of Bruce M. Simpson nor the names of
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *