diff --git a/t/t3300-funny-names.sh b/t/t3300-funny-names.sh
index 9a146f1335..04de03cad0 100755
--- a/t/t3300-funny-names.sh
+++ b/t/t3300-funny-names.sh
@@ -13,6 +13,7 @@ tree, index, and tree objects.
 
 HT='	'
 
+test_have_prereq MINGW ||
 echo 2>/dev/null > "Name with an${HT}HT"
 if ! test -f "Name with an${HT}HT"
 then
diff --git a/t/t3600-rm.sh b/t/t3600-rm.sh
index 9d90d2c935..6f762b4404 100755
--- a/t/t3600-rm.sh
+++ b/t/t3600-rm.sh
@@ -14,7 +14,8 @@ test_expect_success \
      git add -- foo bar baz 'space embedded' -q &&
      git commit -m 'add normal files'"
 
-if touch -- 'tab	embedded' 'newline
+
+if ! test_have_prereq MINGW && touch -- 'tab	embedded' 'newline
 embedded' 2>/dev/null
 then
 	test_set_prereq FUNNYNAMES
diff --git a/t/t3703-add-magic-pathspec.sh b/t/t3703-add-magic-pathspec.sh
index 5115de7036..aaff784659 100755
--- a/t/t3703-add-magic-pathspec.sh
+++ b/t/t3703-add-magic-pathspec.sh
@@ -38,7 +38,7 @@ cat >expected <<EOF
 add 'sub/foo'
 EOF
 
-if mkdir ":" 2>/dev/null
+if ! test_have_prereq MINGW && mkdir ":" 2>/dev/null
 then
 	test_set_prereq COLON_DIR
 fi
diff --git a/t/t3902-quoted.sh b/t/t3902-quoted.sh
index 892f567844..f528008c36 100755
--- a/t/t3902-quoted.sh
+++ b/t/t3902-quoted.sh
@@ -12,6 +12,7 @@ GN='純'
 HT='	'
 DQ='"'
 
+test_have_prereq MINGW ||
 echo foo 2>/dev/null > "Name and an${HT}HT"
 if ! test -f "Name and an${HT}HT"
 then
diff --git a/t/t4016-diff-quote.sh b/t/t4016-diff-quote.sh
index cd543ecc54..9c48e5c2c9 100755
--- a/t/t4016-diff-quote.sh
+++ b/t/t4016-diff-quote.sh
@@ -13,6 +13,7 @@ P1='pathname	with HT'
 P2='pathname with SP'
 P3='pathname
 with LF'
+test_have_prereq !MINGW &&
 echo 2>/dev/null >"$P1" && test -f "$P1" && rm -f "$P1" || {
 	skip_all='Your filesystem does not allow tabs in filenames'
 	test_done
diff --git a/t/t4135-apply-weird-filenames.sh b/t/t4135-apply-weird-filenames.sh
index bf5dc57286..6d6b96d5d3 100755
--- a/t/t4135-apply-weird-filenames.sh
+++ b/t/t4135-apply-weird-filenames.sh
@@ -19,7 +19,8 @@ test_expect_success 'setup' '
 
 	test_when_finished "rm -f \"tab	embedded.txt\"" &&
 	test_when_finished "rm -f '\''\"quoteembedded\".txt'\''" &&
-	if touch -- "tab	embedded.txt" '\''"quoteembedded".txt'\''
+	if ! test_have_prereq MINGW &&
+		touch -- "tab	embedded.txt" '\''"quoteembedded".txt'\''
 	then
 		test_set_prereq FUNNYNAMES
 	fi
diff --git a/t/t9903-bash-prompt.sh b/t/t9903-bash-prompt.sh
index af82049f82..2ee6564847 100755
--- a/t/t9903-bash-prompt.sh
+++ b/t/t9903-bash-prompt.sh
@@ -67,7 +67,7 @@ repo_with_newline='repo
 with
 newline'
 
-if mkdir "$repo_with_newline" 2>/dev/null
+if ! test_have_prereq MINGW && mkdir "$repo_with_newline" 2>/dev/null
 then
 	test_set_prereq FUNNYNAMES
 else