diff --git a/cmd/tomltestgen/main.go b/cmd/tomltestgen/main.go
index 6603d80..1d53a81 100644
--- a/cmd/tomltestgen/main.go
+++ b/cmd/tomltestgen/main.go
@@ -43,8 +43,7 @@ type testsCollection struct {
 	Count     int
 }
 
-const srcTemplate = "// +build testsuite\n\n" +
-	"// Generated by tomltestgen for toml-test ref {{.Ref}} on {{.Timestamp}}\n" +
+const srcTemplate = "// Generated by tomltestgen for toml-test ref {{.Ref}} on {{.Timestamp}}\n" +
 	"package toml_test\n" +
 	" import (\n" +
 	"	\"testing\"\n" +
diff --git a/toml_testgen_test.go b/toml_testgen_test.go
index 5718419..54c627c 100644
--- a/toml_testgen_test.go
+++ b/toml_testgen_test.go
@@ -1,4 +1,4 @@
-// Generated by tomltestgen for toml-test ref master on 2021-09-30T20:29:36-05:00
+// Generated by tomltestgen for toml-test ref master on 2021-10-28T18:48:23-05:00
 package toml_test
 
 import (
@@ -375,6 +375,11 @@ func TestTOMLTest_Invalid_Float_TrailingPoint(t *testing.T) {
 	testgenInvalid(t, input)
 }
 
+func TestTOMLTest_Invalid_Float_TrailingUsExp(t *testing.T) {
+	input := "# trailing underscore in integer part is not allowed\ntrailing-us-exp = 1_e2\n# trailing underscore in float part is not allowed\ntrailing-us-exp2 = 1.2_e2\n"
+	testgenInvalid(t, input)
+}
+
 func TestTOMLTest_Invalid_Float_TrailingUs(t *testing.T) {
 	input := "trailing-us = 1.2_\n"
 	testgenInvalid(t, input)