diff --git a/egs/aidatatang_200zh/ASR/pruned_transducer_stateless2/export.py b/egs/aidatatang_200zh/ASR/pruned_transducer_stateless2/export.py
index 43033e517..00b54c39f 100644
--- a/egs/aidatatang_200zh/ASR/pruned_transducer_stateless2/export.py
+++ b/egs/aidatatang_200zh/ASR/pruned_transducer_stateless2/export.py
@@ -114,8 +114,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -155,6 +153,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/aishell/ASR/transducer_stateless/export.py b/egs/aishell/ASR/transducer_stateless/export.py
index 591b333e0..4c6519b96 100755
--- a/egs/aishell/ASR/transducer_stateless/export.py
+++ b/egs/aishell/ASR/transducer_stateless/export.py
@@ -184,8 +184,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -225,6 +223,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/aishell/ASR/transducer_stateless_modified-2/export.py b/egs/aishell/ASR/transducer_stateless_modified-2/export.py
index d009de603..3bd2ceb11 100755
--- a/egs/aishell/ASR/transducer_stateless_modified-2/export.py
+++ b/egs/aishell/ASR/transducer_stateless_modified-2/export.py
@@ -182,8 +182,6 @@ def get_transducer_model(params: AttributeDict) -> nn.Module:
 def main():
     args = get_parser().parse_args()
 
-    assert args.jit is False, "torchscript support will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -223,6 +221,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/aishell/ASR/transducer_stateless_modified/export.py b/egs/aishell/ASR/transducer_stateless_modified/export.py
index 9a20fab6f..11335a834 100755
--- a/egs/aishell/ASR/transducer_stateless_modified/export.py
+++ b/egs/aishell/ASR/transducer_stateless_modified/export.py
@@ -182,8 +182,6 @@ def get_transducer_model(params: AttributeDict) -> nn.Module:
 def main():
     args = get_parser().parse_args()
 
-    assert args.jit is False, "torchscript support will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -223,6 +221,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/aishell4/ASR/pruned_transducer_stateless5/export.py b/egs/aishell4/ASR/pruned_transducer_stateless5/export.py
index f487a8ba5..f42a85373 100755
--- a/egs/aishell4/ASR/pruned_transducer_stateless5/export.py
+++ b/egs/aishell4/ASR/pruned_transducer_stateless5/export.py
@@ -149,8 +149,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -252,6 +250,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/alimeeting/ASR/pruned_transducer_stateless2/export.py b/egs/alimeeting/ASR/pruned_transducer_stateless2/export.py
index 0a69e0a57..8beec1b8a 100644
--- a/egs/alimeeting/ASR/pruned_transducer_stateless2/export.py
+++ b/egs/alimeeting/ASR/pruned_transducer_stateless2/export.py
@@ -114,8 +114,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -155,6 +153,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/gigaspeech/ASR/pruned_transducer_stateless2/export.py b/egs/gigaspeech/ASR/pruned_transducer_stateless2/export.py
index 6b3a7a9ff..cff9c7377 100755
--- a/egs/gigaspeech/ASR/pruned_transducer_stateless2/export.py
+++ b/egs/gigaspeech/ASR/pruned_transducer_stateless2/export.py
@@ -131,8 +131,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -191,6 +189,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/spgispeech/ASR/pruned_transducer_stateless2/export.py b/egs/spgispeech/ASR/pruned_transducer_stateless2/export.py
index 6119ecf2c..77faa3c0e 100755
--- a/egs/spgispeech/ASR/pruned_transducer_stateless2/export.py
+++ b/egs/spgispeech/ASR/pruned_transducer_stateless2/export.py
@@ -130,8 +130,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -178,6 +176,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/tedlium3/ASR/pruned_transducer_stateless/export.py b/egs/tedlium3/ASR/pruned_transducer_stateless/export.py
index 1e6edbb99..a1c3bcea3 100644
--- a/egs/tedlium3/ASR/pruned_transducer_stateless/export.py
+++ b/egs/tedlium3/ASR/pruned_transducer_stateless/export.py
@@ -117,8 +117,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -161,6 +159,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/tedlium3/ASR/transducer_stateless/export.py b/egs/tedlium3/ASR/transducer_stateless/export.py
index f2bfa2ec9..c32b1d002 100644
--- a/egs/tedlium3/ASR/transducer_stateless/export.py
+++ b/egs/tedlium3/ASR/transducer_stateless/export.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 #
 # Copyright 2021 Xiaomi Corporation (Author: Fangjun Kuang
-# 					     Mingshuang Luo)
+# 					                         Mingshuang Luo)
 #
 # See ../../../../LICENSE for clarification regarding multiple authors
 #
@@ -185,8 +185,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -229,6 +227,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"
diff --git a/egs/wenetspeech/ASR/pruned_transducer_stateless2/export.py b/egs/wenetspeech/ASR/pruned_transducer_stateless2/export.py
index 8c4f92c81..345792a3c 100644
--- a/egs/wenetspeech/ASR/pruned_transducer_stateless2/export.py
+++ b/egs/wenetspeech/ASR/pruned_transducer_stateless2/export.py
@@ -114,8 +114,6 @@ def main():
     args = get_parser().parse_args()
     args.exp_dir = Path(args.exp_dir)
 
-    assert args.jit is False, "Support torchscript will be added later"
-
     params = get_params()
     params.update(vars(args))
 
@@ -155,6 +153,11 @@ def main():
     model.eval()
 
     if params.jit:
+        # We won't use the forward() method of the model in C++, so just ignore
+        # it here.
+        # Otherwise, one of its arguments is a ragged tensor and is not
+        # torch scriptabe.
+        model.__class__.forward = torch.jit.ignore(model.__class__.forward)
         logging.info("Using torch.jit.script")
         model = torch.jit.script(model)
         filename = params.exp_dir / "cpu_jit.pt"