diff --git a/dependency_support/com_github_westes_flex/BUILD b/dependency_support/com_github_westes_flex/BUILD
index b3084e51..f69c70b5 100644
--- a/dependency_support/com_github_westes_flex/BUILD
+++ b/dependency_support/com_github_westes_flex/BUILD
@@ -17,7 +17,7 @@ package(
     default_visibility = ["//visibility:private"],
 )
 
-licenses(["notice"])  # BSD
+licenses(["notice"])
 
 exports_files([
     "wc_test.sh",
diff --git a/dependency_support/com_icarus_iverilog/BUILD b/dependency_support/com_icarus_iverilog/BUILD
index 713a53e3..91691ba7 100644
--- a/dependency_support/com_icarus_iverilog/BUILD
+++ b/dependency_support/com_icarus_iverilog/BUILD
@@ -17,7 +17,7 @@ package(
     default_visibility = ["//visibility:private"],
 )
 
-licenses(["restricted"])  # GPLv2
+licenses(["restricted"])
 
 exports_files([
     "hello.v",
diff --git a/dependency_support/org_gnu_bison/BUILD b/dependency_support/org_gnu_bison/BUILD
index 030cfbbd..e40fd381 100644
--- a/dependency_support/org_gnu_bison/BUILD
+++ b/dependency_support/org_gnu_bison/BUILD
@@ -17,7 +17,7 @@ package(
     default_visibility = ["//visibility:private"],
 )
 
-licenses(["restricted"])  # GPLv3
+licenses(["restricted"])
 
 exports_files([
     "calc_test.sh",
diff --git a/dependency_support/org_gnu_gnulib/BUILD b/dependency_support/org_gnu_gnulib/BUILD
index 6667b87b..7dc380d9 100644
--- a/dependency_support/org_gnu_gnulib/BUILD
+++ b/dependency_support/org_gnu_gnulib/BUILD
@@ -6,4 +6,4 @@ package(
     default_visibility = ["//visibility:private"],
 )
 
-licenses(["restricted"])  # GPL-2.0-or-later
+licenses(["restricted"])