diff --git a/configs/faster_rcnn/_base_/faster_reader.yml b/configs/faster_rcnn/_base_/faster_reader.yml
index 1f6eaa86d3669ce4337f8aa624bf945de14ecb27..d0f44f006d4abe5d9c6ded2ef31cd0fc17dbf93b 100644
--- a/configs/faster_rcnn/_base_/faster_reader.yml
+++ b/configs/faster_rcnn/_base_/faster_reader.yml
@@ -7,7 +7,7 @@ TrainReader:
   - NormalizeImage: {is_scale: true, mean: [0.485,0.456,0.406], std: [0.229, 0.224,0.225]}
   - Permute: {}
   batch_transforms:
-  - PadBatch: {pad_to_stride: -1.}
+  - PadBatch: {pad_to_stride: -1}
   batch_size: 1
   shuffle: true
   drop_last: true
@@ -21,7 +21,7 @@ EvalReader:
   - NormalizeImage: {is_scale: true, mean: [0.485,0.456,0.406], std: [0.229, 0.224,0.225]}
   - Permute: {}
   batch_transforms:
-  - PadBatch: {pad_to_stride: -1.}
+  - PadBatch: {pad_to_stride: -1}
   batch_size: 1
   shuffle: false
   drop_last: false
@@ -35,7 +35,7 @@ TestReader:
   - NormalizeImage: {is_scale: true, mean: [0.485,0.456,0.406], std: [0.229, 0.224,0.225]}
   - Permute: {}
   batch_transforms:
-  - PadBatch: {pad_to_stride: -1.}
+  - PadBatch: {pad_to_stride: -1}
   batch_size: 1
   shuffle: false
   drop_last: false
diff --git a/configs/mask_rcnn/_base_/mask_reader.yml b/configs/mask_rcnn/_base_/mask_reader.yml
index 7d2d152a6ab665b7076461f96b6382e9ac2da827..9ae6a0182324a85146193ef64d56ba127766ea38 100644
--- a/configs/mask_rcnn/_base_/mask_reader.yml
+++ b/configs/mask_rcnn/_base_/mask_reader.yml
@@ -7,7 +7,7 @@ TrainReader:
   - NormalizeImage: {is_scale: true, mean: [0.485,0.456,0.406], std: [0.229, 0.224,0.225]}
   - Permute: {}
   batch_transforms:
-  - PadBatch: {pad_to_stride: -1.}
+  - PadBatch: {pad_to_stride: -1}
   batch_size: 1
   shuffle: true
   drop_last: true
@@ -22,7 +22,7 @@ EvalReader:
   - NormalizeImage: {is_scale: true, mean: [0.485,0.456,0.406], std: [0.229, 0.224,0.225]}
   - Permute: {}
   batch_transforms:
-  - PadBatch: {pad_to_stride: -1.}
+  - PadBatch: {pad_to_stride: -1}
   batch_size: 1
   shuffle: false
   drop_last: false
@@ -36,7 +36,7 @@ TestReader:
   - NormalizeImage: {is_scale: true, mean: [0.485,0.456,0.406], std: [0.229, 0.224,0.225]}
   - Permute: {}
   batch_transforms:
-  - PadBatch: {pad_to_stride: -1.}
+  - PadBatch: {pad_to_stride: -1}
   batch_size: 1
   shuffle: false
   drop_last: false
diff --git a/static/configs/faster_reader.yml b/static/configs/faster_reader.yml
index 26835d4c6d2ef6187cd1b5ce23283cf049194ba8..3099bb656d641d99c71e12aa6f61fb625d23d6bd 100644
--- a/static/configs/faster_reader.yml
+++ b/static/configs/faster_reader.yml
@@ -26,7 +26,7 @@ TrainReader:
     channel_first: true
   batch_transforms:
   - !PadBatch
-    pad_to_stride: -1.
+    pad_to_stride: -1
     use_padded_im_info: false
   batch_size: 1
   shuffle: true
diff --git a/static/configs/mask_reader.yml b/static/configs/mask_reader.yml
index 31742f2057f4a86d6a4a6d5f6d5bc6ca7dfa4b54..165a09b82bb448dede9273ae3b7da297e318c131 100644
--- a/static/configs/mask_reader.yml
+++ b/static/configs/mask_reader.yml
@@ -27,7 +27,7 @@ TrainReader:
     channel_first: true
   batch_transforms:
   - !PadBatch
-    pad_to_stride: -1.
+    pad_to_stride: -1
     use_padded_im_info: false
   batch_size: 1
   shuffle: true
diff --git a/static/configs/mask_reader_cocome.yml b/static/configs/mask_reader_cocome.yml
index a7760a16279475d8f10b22bd4b3fcb437ff7c088..1b44491c5c3a7dfbc12138c682ac00b24946ef4a 100644
--- a/static/configs/mask_reader_cocome.yml
+++ b/static/configs/mask_reader_cocome.yml
@@ -27,7 +27,7 @@ TrainReader:
     channel_first: true
   batch_transforms:
   - !PadBatch
-    pad_to_stride: -1.
+    pad_to_stride: -1
     use_padded_im_info: false
   batch_size: 1
   shuffle: true