diff --git a/.gitattributes b/.gitattributes
index cb4a55d..6cb7764 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -75,12 +75,8 @@
 *.utf16be -text
 
 # The following file types are stored in Git-LFS.
+# Only .jars
 *.jar filter=lfs diff=lfs merge=lfs -text
-*.dat filter=lfs diff=lfs merge=lfs -text
-*.zip filter=lfs diff=lfs merge=lfs -text
-*.gz filter=lfs diff=lfs merge=lfs -text
-*.bz2 filter=lfs diff=lfs merge=lfs -text
-*.gif filter=lfs diff=lfs merge=lfs -text
 
 # Enable syntax highlighting on GitHub.com
 .cpyskip.txt linguist-language=Ignore-List
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_3.6/com.ibm.icu.impl.OlsonTimeZone.dat b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_3.6/com.ibm.icu.impl.OlsonTimeZone.dat
index 721be48..befb4b1 100644
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_3.6/com.ibm.icu.impl.OlsonTimeZone.dat
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index b8d739c..347e616 100644
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/serializable/data/ICU_3.6/com.ibm.icu.impl.TimeZoneAdapter.dat
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index f7fdd56..b27bcaf 100644
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index 32df3de..da7bc60 100644
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index c28e485..a20b286 100644
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index f112136..35f6713 100644
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index 84705ec..d5c05c8 100644
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index 37f5dec..2368969 100644
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index 465598f..81df833 100644
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index 9229786..43ac993 100644
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index fecd40b..ad69392 100644
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index 977493d..9524b86 100644
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