diff --git a/configs/gn_baselines/e2e_faster_rcnn_R_50_FPN_1x_gn.yaml b/configs/gn_baselines/e2e_faster_rcnn_R_50_FPN_1x_gn.yaml
index e8f3ca7f5..4e99eacb1 100644
--- a/configs/gn_baselines/e2e_faster_rcnn_R_50_FPN_1x_gn.yaml
+++ b/configs/gn_baselines/e2e_faster_rcnn_R_50_FPN_1x_gn.yaml
@@ -10,6 +10,7 @@ MODEL:
     CONV_BODY: "R-50-FPN"
     OUT_CHANNELS: 256
   RESNETS: # use GN for backbone
+    STRIDE_IN_1X1: False
     TRANS_FUNC: "BottleneckWithGN"
     STEM_FUNC: "StemWithGN"
   FPN:
diff --git a/configs/gn_baselines/e2e_faster_rcnn_R_50_FPN_Xconv1fc_1x_gn.yaml b/configs/gn_baselines/e2e_faster_rcnn_R_50_FPN_Xconv1fc_1x_gn.yaml
index d25b43430..4a55c00f0 100644
--- a/configs/gn_baselines/e2e_faster_rcnn_R_50_FPN_Xconv1fc_1x_gn.yaml
+++ b/configs/gn_baselines/e2e_faster_rcnn_R_50_FPN_Xconv1fc_1x_gn.yaml
@@ -10,6 +10,7 @@ MODEL:
     CONV_BODY: "R-50-FPN"
     OUT_CHANNELS: 256
   RESNETS: # use GN for backbone
+    STRIDE_IN_1X1: False
     TRANS_FUNC: "BottleneckWithGN"
     STEM_FUNC: "StemWithGN"
   FPN:
@@ -47,4 +48,4 @@ SOLVER:
   MAX_ITER: 90000
   IMS_PER_BATCH: 16
 TEST:
-  IMS_PER_BATCH: 8
\ No newline at end of file
+  IMS_PER_BATCH: 8
diff --git a/configs/gn_baselines/e2e_mask_rcnn_R_50_FPN_1x_gn.yaml b/configs/gn_baselines/e2e_mask_rcnn_R_50_FPN_1x_gn.yaml
index e59c8b9a4..f0b488ac4 100644
--- a/configs/gn_baselines/e2e_mask_rcnn_R_50_FPN_1x_gn.yaml
+++ b/configs/gn_baselines/e2e_mask_rcnn_R_50_FPN_1x_gn.yaml
@@ -10,6 +10,7 @@ MODEL:
     CONV_BODY: "R-50-FPN"
     OUT_CHANNELS: 256
   RESNETS: # use GN for backbone
+    STRIDE_IN_1X1: False
     TRANS_FUNC: "BottleneckWithGN"
     STEM_FUNC: "StemWithGN"
   FPN:
@@ -56,4 +57,4 @@ SOLVER:
   MAX_ITER: 90000
   IMS_PER_BATCH: 16
 TEST:
-  IMS_PER_BATCH: 8
\ No newline at end of file
+  IMS_PER_BATCH: 8
diff --git a/configs/gn_baselines/e2e_mask_rcnn_R_50_FPN_Xconv1fc_1x_gn.yaml b/configs/gn_baselines/e2e_mask_rcnn_R_50_FPN_Xconv1fc_1x_gn.yaml
index f3bba2f58..fc4b6de00 100644
--- a/configs/gn_baselines/e2e_mask_rcnn_R_50_FPN_Xconv1fc_1x_gn.yaml
+++ b/configs/gn_baselines/e2e_mask_rcnn_R_50_FPN_Xconv1fc_1x_gn.yaml
@@ -10,6 +10,7 @@ MODEL:
     CONV_BODY: "R-50-FPN"
     OUT_CHANNELS: 256
   RESNETS: # use GN for backbone
+    STRIDE_IN_1X1: False
     TRANS_FUNC: "BottleneckWithGN"
     STEM_FUNC: "StemWithGN"
   FPN:
@@ -58,4 +59,4 @@ SOLVER:
   MAX_ITER: 90000
   IMS_PER_BATCH: 16
 TEST:
-  IMS_PER_BATCH: 8
\ No newline at end of file
+  IMS_PER_BATCH: 8
diff --git a/configs/gn_baselines/scratch_e2e_faster_rcnn_R_50_FPN_3x_gn.yaml b/configs/gn_baselines/scratch_e2e_faster_rcnn_R_50_FPN_3x_gn.yaml
index a13049f58..16be1eb90 100644
--- a/configs/gn_baselines/scratch_e2e_faster_rcnn_R_50_FPN_3x_gn.yaml
+++ b/configs/gn_baselines/scratch_e2e_faster_rcnn_R_50_FPN_3x_gn.yaml
@@ -11,6 +11,7 @@ MODEL:
     OUT_CHANNELS: 256
     FREEZE_CONV_BODY_AT: 0 # finetune all layers
   RESNETS: # use GN for backbone
+    STRIDE_IN_1X1: False
     TRANS_FUNC: "BottleneckWithGN"
     STEM_FUNC: "StemWithGN"
   FPN:
@@ -46,4 +47,4 @@ SOLVER:
   MAX_ITER: 270000
   IMS_PER_BATCH: 16
 TEST:
-  IMS_PER_BATCH: 8
\ No newline at end of file
+  IMS_PER_BATCH: 8
diff --git a/configs/gn_baselines/scratch_e2e_faster_rcnn_R_50_FPN_Xconv1fc_3x_gn.yaml b/configs/gn_baselines/scratch_e2e_faster_rcnn_R_50_FPN_Xconv1fc_3x_gn.yaml
index d04feddf5..b6f68424e 100644
--- a/configs/gn_baselines/scratch_e2e_faster_rcnn_R_50_FPN_Xconv1fc_3x_gn.yaml
+++ b/configs/gn_baselines/scratch_e2e_faster_rcnn_R_50_FPN_Xconv1fc_3x_gn.yaml
@@ -11,6 +11,7 @@ MODEL:
     OUT_CHANNELS: 256
     FREEZE_CONV_BODY_AT: 0 # finetune all layers
   RESNETS: # use GN for backbone
+    STRIDE_IN_1X1: False
     TRANS_FUNC: "BottleneckWithGN"
     STEM_FUNC: "StemWithGN"
   FPN:
@@ -48,4 +49,4 @@ SOLVER:
   MAX_ITER: 270000
   IMS_PER_BATCH: 16
 TEST:
-  IMS_PER_BATCH: 8
\ No newline at end of file
+  IMS_PER_BATCH: 8
diff --git a/configs/gn_baselines/scratch_e2e_mask_rcnn_R_50_FPN_3x_gn.yaml b/configs/gn_baselines/scratch_e2e_mask_rcnn_R_50_FPN_3x_gn.yaml
index c8eae5e0d..edc53b443 100644
--- a/configs/gn_baselines/scratch_e2e_mask_rcnn_R_50_FPN_3x_gn.yaml
+++ b/configs/gn_baselines/scratch_e2e_mask_rcnn_R_50_FPN_3x_gn.yaml
@@ -11,6 +11,7 @@ MODEL:
     OUT_CHANNELS: 256
     FREEZE_CONV_BODY_AT: 0 # finetune all layers
   RESNETS: # use GN for backbone
+    STRIDE_IN_1X1: False
     TRANS_FUNC: "BottleneckWithGN"
     STEM_FUNC: "StemWithGN"
   FPN:
diff --git a/configs/gn_baselines/scratch_e2e_mask_rcnn_R_50_FPN_Xconv1fc_3x_gn.yaml b/configs/gn_baselines/scratch_e2e_mask_rcnn_R_50_FPN_Xconv1fc_3x_gn.yaml
index db8233790..3384770b0 100644
--- a/configs/gn_baselines/scratch_e2e_mask_rcnn_R_50_FPN_Xconv1fc_3x_gn.yaml
+++ b/configs/gn_baselines/scratch_e2e_mask_rcnn_R_50_FPN_Xconv1fc_3x_gn.yaml
@@ -11,6 +11,7 @@ MODEL:
     OUT_CHANNELS: 256
     FREEZE_CONV_BODY_AT: 0 # finetune all layers
   RESNETS: # use GN for backbone
+    STRIDE_IN_1X1: False
     TRANS_FUNC: "BottleneckWithGN"
     STEM_FUNC: "StemWithGN"
   FPN:
@@ -59,4 +60,4 @@ SOLVER:
   MAX_ITER: 270000
   IMS_PER_BATCH: 16
 TEST:
-  IMS_PER_BATCH: 8
\ No newline at end of file
+  IMS_PER_BATCH: 8