diff --git a/tests/yanglint/interactive/debug.test b/tests/yanglint/interactive/debug.test
deleted file mode 100644
index 8a64c92e3..000000000
--- a/tests/yanglint/interactive/debug.test
+++ /dev/null
@@ -1,33 +0,0 @@
-source [expr {[info exists ::env(TESTS_DIR)] ? "$env(TESTS_DIR)/interactive/ly.tcl" : "ly.tcl"}]
-
-set mdir $::env(YANG_MODULES_DIR)
-
-test debug_dict {Check debug message DICT} {
--setup $ly_setup -cleanup $ly_cleanup -constraints {[yanglint_debug]} -body {
-    ly_cmd "verb debug"
-    ly_cmd "debug dict"
-    ly_cmd "load modleaf" "DICT"
-}}
-
-test debug_xpath {Check debug message XPATH} {
--setup $ly_setup -cleanup $ly_cleanup -constraints {[yanglint_debug]} -body {
-    ly_cmd "verb debug"
-    ly_cmd "debug xpath"
-    ly_cmd "load modmust" "XPATH"
-}}
-
-test debug_dep_sets {Check debug message DEPSETS} {
--setup $ly_setup -cleanup $ly_cleanup -constraints {[yanglint_debug]} -body {
-    ly_cmd "verb debug"
-    ly_cmd "debug dep-sets"
-    ly_cmd "load modleaf" "DEPSETS"
-}}
-
-test debug_depsets_xpath {Check debug message DEPSETS and XPATH} {
--setup $ly_setup -cleanup $ly_cleanup -constraints {[yanglint_debug]} -body {
-    ly_cmd "verb debug"
-    ly_cmd "debug dep-sets xpath"
-    ly_cmd "load modmust" "DEPSETS.*XPATH"
-}}
-
-cleanupTests
diff --git a/tests/yanglint/interactive/ly.tcl b/tests/yanglint/interactive/ly.tcl
index 4c56be4d9..efa57f211 100644
--- a/tests/yanglint/interactive/ly.tcl
+++ b/tests/yanglint/interactive/ly.tcl
@@ -65,17 +65,3 @@ proc ly_exit {} {
     send "exit\r"
     expect eof
 }
-
-# Check if yanglint is configured as DEBUG.
-# Return 1 on success.
-proc yanglint_debug {} {
-    global TUT
-    # Call non-interactive yanglint with --help.
-    set output [exec -- $TUT "-h"]
-    # Find option --debug.
-    if { [regexp -- "--debug=GROUPS" $output] } {
-        return 1
-    } else {
-        return 0
-    }
-}