diff --git a/2019/adamovsky/Makefile b/2019/adamovsky/Makefile
index 0e4a5be1b..5caa4dd62 100644
--- a/2019/adamovsky/Makefile
+++ b/2019/adamovsky/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/burton/Makefile b/2019/burton/Makefile
index 5a8cd15fc..c4013e00d 100644
--- a/2019/burton/Makefile
+++ b/2019/burton/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/diels-grabsch1/Makefile b/2019/diels-grabsch1/Makefile
index d7773597e..3228ae6c9 100644
--- a/2019/diels-grabsch1/Makefile
+++ b/2019/diels-grabsch1/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/diels-grabsch2/Makefile b/2019/diels-grabsch2/Makefile
index 708091954..b395efdf5 100644
--- a/2019/diels-grabsch2/Makefile
+++ b/2019/diels-grabsch2/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/dogon/Makefile b/2019/dogon/Makefile
index f69a3b3ec..64c053ed7 100644
--- a/2019/dogon/Makefile
+++ b/2019/dogon/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/endoh/Makefile b/2019/endoh/Makefile
index 96d7ced9a..8eb10e9d6 100644
--- a/2019/endoh/Makefile
+++ b/2019/endoh/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/giles/Makefile b/2019/giles/Makefile
index 1c94112b1..771d7a8c0 100644
--- a/2019/giles/Makefile
+++ b/2019/giles/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/lynn/Makefile b/2019/lynn/Makefile
index ed6a68a10..9dc75a820 100644
--- a/2019/lynn/Makefile
+++ b/2019/lynn/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/mills/Makefile b/2019/mills/Makefile
index d7a7cba6c..bb972a110 100644
--- a/2019/mills/Makefile
+++ b/2019/mills/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/poikola/Makefile b/2019/poikola/Makefile
index 8564a35b3..da6ac8076 100644
--- a/2019/poikola/Makefile
+++ b/2019/poikola/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/2019/yang/Makefile b/2019/yang/Makefile
index 708091954..b395efdf5 100644
--- a/2019/yang/Makefile
+++ b/2019/yang/Makefile
@@ -133,7 +133,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln
diff --git a/var.mk b/var.mk
index 5e9a5f357..3a36581d2 100644
--- a/var.mk
+++ b/var.mk
@@ -117,7 +117,6 @@ KILL= kill
 KSH= ksh
 LAST= last
 LD= ld
-LESSECHO= lessecho
 LEX= len
 LINK= link
 LN= ln