diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 1f79d52..5bab24a 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -17,16 +17,17 @@ itk_add_test(NAME TwoProjection2D3DRegistrationDownSizedCTTest
     DATA{Input/BoxheadCT.img,BoxheadCT.hdr}
   )
 
-itk_add_test(NAME TwoProjection2D3DRegistrationFullSizeCTTest
-  COMMAND TwoProjectionRegistrationTestDriver TwoProjection2D3DRegistration
-     -res 0.5 0.5 0.5 0.5
-     -iso 255 259 130
-     -o ${ITK_TEST_OUTPUT_DIR}/BoxheadDRRFullDev1_G0_Reg.tif ${ITK_TEST_OUTPUT_DIR}/BoxheadDRRFullDev1_G90_Reg.tif
-     DATA{Input/BoxheadDRRFullDev1_G0.tif} 0
-     DATA{Input/BoxheadDRRFullDev1_G90.tif} 90
-     DATA{Input/BoxheadCTFull.img,BoxheadCTFull.hdr}
-  )
-set_property(TEST TwoProjection2D3DRegistrationFullSizeCTTest APPEND PROPERTY LABELS RUNS_LONG)
+# Disabled: BoxheadCTFull.img is orphaned (404 from gh-pages, Girder, itk.org).
+# itk_add_test(NAME TwoProjection2D3DRegistrationFullSizeCTTest
+#   COMMAND TwoProjectionRegistrationTestDriver TwoProjection2D3DRegistration
+#      -res 0.5 0.5 0.5 0.5
+#      -iso 255 259 130
+#      -o ${ITK_TEST_OUTPUT_DIR}/BoxheadDRRFullDev1_G0_Reg.tif ${ITK_TEST_OUTPUT_DIR}/BoxheadDRRFullDev1_G90_Reg.tif
+#      DATA{Input/BoxheadDRRFullDev1_G0.tif} 0
+#      DATA{Input/BoxheadDRRFullDev1_G90.tif} 90
+#      DATA{Input/BoxheadCTFull.img,BoxheadCTFull.hdr}
+#   )
+# set_property(TEST TwoProjection2D3DRegistrationFullSizeCTTest APPEND PROPERTY LABELS RUNS_LONG)
 
 itk_add_test(NAME GetDRRSiddonJacobsRayTracingDownSizedCTTest1
   COMMAND TwoProjectionRegistrationTestDriver GetDRRSiddonJacobsRayTracing
@@ -46,20 +47,21 @@ itk_add_test(NAME GetDRRSiddonJacobsRayTracingDownSizedCTTest2
     DATA{Input/BoxheadCT.img,BoxheadCT.hdr}
   )
 
-itk_add_test(NAME GetDRRSiddonJacobsRayTracingFullSizedCTTest1
-  COMMAND TwoProjectionRegistrationTestDriver GetDRRSiddonJacobsRayTracing
-    -rp 0 -rx -3 -ry 4 -rz 2 -t 5 5 5
-    -iso 255 259 130 -res 0.5 0.5
-    -size 512 512
-    -o ${ITK_TEST_OUTPUT_DIR}/BoxheadDRRFullDev1_G0.tif
-    DATA{Input/BoxheadCTFull.img,BoxheadCTFull.hdr}
-  )
-
-itk_add_test(NAME GetDRRSiddonJacobsRayTracingFullSizedCTTest2
-  COMMAND TwoProjectionRegistrationTestDriver GetDRRSiddonJacobsRayTracing
-    -rp 90 -rx -3 -ry 4 -rz 2 -t 5 5 5
-    -iso 255 259 130 -res 0.5 0.5
-    -size 512 512
-    -o ${ITK_TEST_OUTPUT_DIR}/BoxheadDRRFullDev1_G90.tif
-    DATA{Input/BoxheadCTFull.img,BoxheadCTFull.hdr}
-  )
+# Disabled: BoxheadCTFull.img is orphaned (404 from gh-pages, Girder, itk.org).
+# itk_add_test(NAME GetDRRSiddonJacobsRayTracingFullSizedCTTest1
+#   COMMAND TwoProjectionRegistrationTestDriver GetDRRSiddonJacobsRayTracing
+#     -rp 0 -rx -3 -ry 4 -rz 2 -t 5 5 5
+#     -iso 255 259 130 -res 0.5 0.5
+#     -size 512 512
+#     -o ${ITK_TEST_OUTPUT_DIR}/BoxheadDRRFullDev1_G0.tif
+#     DATA{Input/BoxheadCTFull.img,BoxheadCTFull.hdr}
+#   )
+#
+# itk_add_test(NAME GetDRRSiddonJacobsRayTracingFullSizedCTTest2
+#   COMMAND TwoProjectionRegistrationTestDriver GetDRRSiddonJacobsRayTracing
+#     -rp 90 -rx -3 -ry 4 -rz 2 -t 5 5 5
+#     -iso 255 259 130 -res 0.5 0.5
+#     -size 512 512
+#     -o ${ITK_TEST_OUTPUT_DIR}/BoxheadDRRFullDev1_G90.tif
+#     DATA{Input/BoxheadCTFull.img,BoxheadCTFull.hdr}
+#   )
diff --git a/test/Input/BoxheadCTFull.hdr.cid b/test/Input/BoxheadCTFull.hdr.cid
deleted file mode 100644
index 1373be4..0000000
--- a/test/Input/BoxheadCTFull.hdr.cid
+++ /dev/null
@@ -1 +0,0 @@
-bafkreiaua6p4bwnf3zg7dgcl6onflzkw4rtnvld3inf3jmi5ohxtnoh7xu
diff --git a/test/Input/BoxheadCTFull.img.md5 b/test/Input/BoxheadCTFull.img.md5
deleted file mode 100644
index dac0ca8..0000000
--- a/test/Input/BoxheadCTFull.img.md5
+++ /dev/null
@@ -1 +0,0 @@
-b4ed0e70fb4f381c7a3967c650b0a824
diff --git a/test/Input/BoxheadDRRFullDev1_G0.tif.cid b/test/Input/BoxheadDRRFullDev1_G0.tif.cid
new file mode 100644
index 0000000..b634172
--- /dev/null
+++ b/test/Input/BoxheadDRRFullDev1_G0.tif.cid
@@ -0,0 +1 @@
+bafkreib47lgbuwbiig52lte5jdq7qnhqiztsuwflgzgm4mahtn4xj4agtm
diff --git a/test/Input/BoxheadDRRFullDev1_G0.tif.md5 b/test/Input/BoxheadDRRFullDev1_G0.tif.md5
deleted file mode 100644
index 8054e51..0000000
--- a/test/Input/BoxheadDRRFullDev1_G0.tif.md5
+++ /dev/null
@@ -1 +0,0 @@
-ebd2b58a0e7a58259939da4248fa108f
diff --git a/test/Input/BoxheadDRRFullDev1_G90.tif.cid b/test/Input/BoxheadDRRFullDev1_G90.tif.cid
new file mode 100644
index 0000000..7dec112
--- /dev/null
+++ b/test/Input/BoxheadDRRFullDev1_G90.tif.cid
@@ -0,0 +1 @@
+bafkreib3eoi4gimsfaijip3hpmo5p6z7hjgfscqm6jlvhwouuitpzsjxda
diff --git a/test/Input/BoxheadDRRFullDev1_G90.tif.md5 b/test/Input/BoxheadDRRFullDev1_G90.tif.md5
deleted file mode 100644
index ee9e270..0000000
--- a/test/Input/BoxheadDRRFullDev1_G90.tif.md5
+++ /dev/null
@@ -1 +0,0 @@
-f89d9eb4b8f50cc92659eda0968110d0
\ No newline at end of file
diff --git a/test/Input/boxheadDRRDev1_G0.tif.cid b/test/Input/boxheadDRRDev1_G0.tif.cid
new file mode 100644
index 0000000..df23097
--- /dev/null
+++ b/test/Input/boxheadDRRDev1_G0.tif.cid
@@ -0,0 +1 @@
+bafkreifeswb33ppyqnxabjvnh2eosh55ji4iu4zcksrvneniutj75klttu
diff --git a/test/Input/boxheadDRRDev1_G0.tif.md5 b/test/Input/boxheadDRRDev1_G0.tif.md5
deleted file mode 100644
index 428aa7b..0000000
--- a/test/Input/boxheadDRRDev1_G0.tif.md5
+++ /dev/null
@@ -1 +0,0 @@
-e0391392a8e463e63c17b4bda0211cd0
diff --git a/test/Input/boxheadDRRDev1_G90.tif.cid b/test/Input/boxheadDRRDev1_G90.tif.cid
new file mode 100644
index 0000000..6999468
--- /dev/null
+++ b/test/Input/boxheadDRRDev1_G90.tif.cid
@@ -0,0 +1 @@
+bafkreihw476d2275dmcqx3ipe6h5r2cg4whvz2kvaagoe3djuqlajyb57y
diff --git a/test/Input/boxheadDRRDev1_G90.tif.md5 b/test/Input/boxheadDRRDev1_G90.tif.md5
deleted file mode 100644
index 53f87d4..0000000
--- a/test/Input/boxheadDRRDev1_G90.tif.md5
+++ /dev/null
@@ -1 +0,0 @@
-034660fd002da511d8232692b85d6c3b