diff --git a/pkg/grpc/tracing/tracing.go b/pkg/grpc/tracing/tracing.go
index 278d197421d..f632187c92f 100644
--- a/pkg/grpc/tracing/tracing.go
+++ b/pkg/grpc/tracing/tracing.go
@@ -301,10 +301,6 @@ func (msg *MsgGenericTracepointUnix) HandleMessage() *tetragon.GetEventsResponse
 			tetragonArgs = append(tetragonArgs, &tetragon.KprobeArgument{Arg: &tetragon.KprobeArgument_IntArg{
 				IntArg: v,
 			}})
-		case string:
-			tetragonArgs = append(tetragonArgs, &tetragon.KprobeArgument{Arg: &tetragon.KprobeArgument_StringArg{
-				StringArg: v,
-			}})
 
 		case []byte:
 			tetragonArgs = append(tetragonArgs, &tetragon.KprobeArgument{Arg: &tetragon.KprobeArgument_BytesArg{