diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index b36e0528d0..50d28e6fdb 100755
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -70,7 +70,6 @@ test_expect_success 'object with bad sha1' '
 	test_when_finished "git update-ref -d refs/heads/bogus" &&

 	test_must_fail git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "$sha.*corrupt" out
 '

@@ -78,7 +77,6 @@ test_expect_success 'branch pointing to non-commit' '
 	git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
 	test_when_finished "git update-ref -d refs/heads/invalid" &&
 	test_must_fail git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "not a commit" out
 '

@@ -88,7 +86,6 @@ test_expect_success 'HEAD link pointing at a funny object' '
 	echo $ZERO_OID >.git/HEAD &&
 	# avoid corrupt/broken HEAD from interfering with repo discovery
 	test_must_fail env GIT_DIR=.git git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "detached HEAD points" out
 '

@@ -98,7 +95,6 @@ test_expect_success 'HEAD link pointing at a funny place' '
 	echo "ref: refs/funny/place" >.git/HEAD &&
 	# avoid corrupt/broken HEAD from interfering with repo discovery
 	test_must_fail env GIT_DIR=.git git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "HEAD points to something strange" out
 '

@@ -157,7 +153,6 @@ test_expect_success 'email with embedded > is not okay' '
 	git update-ref refs/heads/bogus "$new" &&
 	test_when_finished "git update-ref -d refs/heads/bogus" &&
 	test_must_fail git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "error in commit $new" out
 '

@@ -169,7 +164,6 @@ test_expect_success 'missing < email delimiter is reported nicely' '
 	git update-ref refs/heads/bogus "$new" &&
 	test_when_finished "git update-ref -d refs/heads/bogus" &&
 	test_must_fail git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "error in commit $new.* - bad name" out
 '

@@ -181,7 +175,6 @@ test_expect_success 'missing email is reported nicely' '
 	git update-ref refs/heads/bogus "$new" &&
 	test_when_finished "git update-ref -d refs/heads/bogus" &&
 	test_must_fail git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "error in commit $new.* - missing email" out
 '

@@ -193,7 +186,6 @@ test_expect_success '> in name is reported' '
 	git update-ref refs/heads/bogus "$new" &&
 	test_when_finished "git update-ref -d refs/heads/bogus" &&
 	test_must_fail git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "error in commit $new" out
 '

@@ -207,7 +199,6 @@ test_expect_success 'integer overflow in timestamps is reported' '
 	git update-ref refs/heads/bogus "$new" &&
 	test_when_finished "git update-ref -d refs/heads/bogus" &&
 	test_must_fail git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "error in commit $new.*integer overflow" out
 '

@@ -219,7 +210,6 @@ test_expect_success 'commit with NUL in header' '
 	git update-ref refs/heads/bogus "$new" &&
 	test_when_finished "git update-ref -d refs/heads/bogus" &&
 	test_must_fail git fsck 2>out &&
-	cat out &&
 	test_i18ngrep "error in commit $new.*unterminated header: NUL at offset" out
 '

@@ -297,7 +287,6 @@ test_expect_success 'tag pointing to nonexistent' '
 	echo $tag >.git/refs/tags/invalid &&
 	test_when_finished "git update-ref -d refs/tags/invalid" &&
 	test_must_fail git fsck --tags >out &&
-	cat out &&
 	test_i18ngrep "broken link" out
 '

@@ -378,7 +367,6 @@ test_expect_success 'tag with NUL in header' '
 	echo $tag >.git/refs/tags/wrong &&
 	test_when_finished "git update-ref -d refs/tags/wrong" &&
 	test_must_fail git fsck --tags 2>out &&
-	cat out &&
 	test_i18ngrep "error in tag $tag.*unterminated header: NUL at offset" out
 '

@@ -409,7 +397,6 @@ test_expect_success 'rev-list --verify-objects with bad sha1' '
 	test_when_finished "git update-ref -d refs/heads/bogus" &&

 	test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
-	cat out &&
 	test_i18ngrep -q "error: hash mismatch $(dirname $new)$(test_oid ff_2)" out
 '

@@ -433,7 +420,6 @@ test_expect_success 'fsck notices blob entry pointing to null sha1' '
 	 sha=$(printf "100644 file$_bz$_bzoid" |
 	       git hash-object -w --stdin -t tree) &&
 	  git fsck 2>out &&
-	  cat out &&
 	  test_i18ngrep "warning.*null sha1" out
 	)
 '
@@ -444,7 +430,6 @@ test_expect_success 'fsck notices submodule entry pointing to null sha1' '
 	 sha=$(printf "160000 submodule$_bz$_bzoid" |
 	       git hash-object -w --stdin -t tree) &&
 	  git fsck 2>out &&
-	  cat out &&
 	  test_i18ngrep "warning.*null sha1" out
 	)
 '
@@ -465,7 +450,6 @@ while read name path pretty; do
 			printf "$mode $type %s\t%s" "$value" "$path" >bad &&
 			bad_tree=$(git mktree <bad) &&
 			git fsck 2>out &&
-			cat out &&
 			test_i18ngrep "warning.*tree $bad_tree" out
 		)'
 	done <<-\EOF
diff --git a/t/t5801-remote-helpers.sh b/t/t5801-remote-helpers.sh
index 2d6c4a281e..121e5c6edb 100755
--- a/t/t5801-remote-helpers.sh
+++ b/t/t5801-remote-helpers.sh
@@ -247,7 +247,6 @@ clean_mark () {
 test_expect_success 'proper failure checks for fetching' '
 	(cd local &&
 	test_must_fail env GIT_REMOTE_TESTGIT_FAILURE=1 git fetch 2>error &&
-	cat error &&
 	test_i18ngrep -q "error while running fast-import" error
 	)
 '
diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index a208cb26e1..691b5fc3bf 100755
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -527,7 +527,6 @@ test_expect_success 'update --init' '
 	test_must_fail git config submodule.example.url &&

 	git submodule update init 2> update.out &&
-	cat update.out &&
 	test_i18ngrep "not initialized" update.out &&
 	test_must_fail git rev-parse --resolve-git-dir init/.git &&

@@ -545,7 +544,6 @@ test_expect_success 'update --init from subdirectory' '
 	(
 		cd sub &&
 		git submodule update ../init 2>update.out &&
-		cat update.out &&
 		test_i18ngrep "not initialized" update.out &&
 		test_must_fail git rev-parse --resolve-git-dir ../init/.git &&

diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index 141b7fa35e..0a44a06239 100755
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -2781,7 +2781,6 @@ test_expect_success 'S: filemodify with garbage after mark must fail' '
 	COMMIT
 	M 100644 :403x hello.c
 	EOF
-	cat err &&
 	test_i18ngrep "space after mark" err
 '

@@ -2798,7 +2797,6 @@ test_expect_success 'S: filemodify with garbage after inline must fail' '
 	inline
 	BLOB
 	EOF
-	cat err &&
 	test_i18ngrep "nvalid dataref" err
 '

@@ -2812,7 +2810,6 @@ test_expect_success 'S: filemodify with garbage after sha1 must fail' '
 	COMMIT
 	M 100644 ${sha1}x hello.c
 	EOF
-	cat err &&
 	test_i18ngrep "space after SHA1" err
 '

@@ -2828,7 +2825,6 @@ test_expect_success 'S: notemodify with garbage after mark dataref must fail' '
 	COMMIT
 	N :202x :302
 	EOF
-	cat err &&
 	test_i18ngrep "space after mark" err
 '

@@ -2844,7 +2840,6 @@ test_expect_success 'S: notemodify with garbage after inline dataref must fail'
 	note blob
 	BLOB
 	EOF
-	cat err &&
 	test_i18ngrep "nvalid dataref" err
 '

@@ -2858,7 +2853,6 @@ test_expect_success 'S: notemodify with garbage after sha1 dataref must fail' '
 	COMMIT
 	N ${sha1}x :302
 	EOF
-	cat err &&
 	test_i18ngrep "space after SHA1" err
 '

@@ -2874,7 +2868,6 @@ test_expect_success 'S: notemodify with garbage after mark commit-ish must fail'
 	COMMIT
 	N :202 :302x
 	EOF
-	cat err &&
 	test_i18ngrep "after mark" err
 '

@@ -2908,7 +2901,6 @@ test_expect_success 'S: from with garbage after mark must fail' '
 	EOF

 	# now evaluate the error
-	cat err &&
 	test_i18ngrep "after mark" err
 '

@@ -2928,7 +2920,6 @@ test_expect_success 'S: merge with garbage after mark must fail' '
 	merge :303x
 	M 100644 :403 hello.c
 	EOF
-	cat err &&
 	test_i18ngrep "after mark" err
 '

@@ -2944,7 +2935,6 @@ test_expect_success 'S: tag with garbage after mark must fail' '
 	tag S
 	TAG
 	EOF
-	cat err &&
 	test_i18ngrep "after mark" err
 '

@@ -2955,7 +2945,6 @@ test_expect_success 'S: cat-blob with garbage after mark must fail' '
 	test_must_fail git fast-import --import-marks=marks <<-EOF 2>err &&
 	cat-blob :403x
 	EOF
-	cat err &&
 	test_i18ngrep "after mark" err
 '

@@ -2966,7 +2955,6 @@ test_expect_success 'S: ls with garbage after mark must fail' '
 	test_must_fail git fast-import --import-marks=marks <<-EOF 2>err &&
 	ls :302x hello.c
 	EOF
-	cat err &&
 	test_i18ngrep "space after mark" err
 '

@@ -2975,7 +2963,6 @@ test_expect_success 'S: ls with garbage after sha1 must fail' '
 	test_must_fail git fast-import --import-marks=marks <<-EOF 2>err &&
 	ls ${sha1}x hello.c
 	EOF
-	cat err &&
 	test_i18ngrep "space after tree-ish" err
 '

