diff --git a/Makefile.am b/Makefile.am
index a150bdd..ae7cf2f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -75,9 +75,7 @@ EXTRA_DIST =	pkg.m4 \
 		tests/lib1/fragment-quoting.pc \
 		tests/lib1/fragment-quoting-2.pc \
 		tests/lib1/fragment-quoting-3.pc \
-		tests/lib1/fragment-quoting-4.pc \
 		tests/lib1/fragment-quoting-5.pc \
-		tests/lib1/fragment-quoting-6.pc \
 		tests/lib1/fragment-quoting-7.pc \
 		tests/lib1/malformed-1.pc \
 		tests/lib1/malformed-quoting.pc \
diff --git a/tests/lib1/fragment-quoting-4.pc b/tests/lib1/fragment-quoting-4.pc
deleted file mode 100644
index f35e0ed..0000000
--- a/tests/lib1/fragment-quoting-4.pc
+++ /dev/null
@@ -1,10 +0,0 @@
-prefix=/test
-exec_prefix=${prefix}
-libdir=${prefix}/lib
-includedir=${prefix}/include
-
-Name: fragment-quoting-4
-Description: A testing pkg-config file
-Version: 1.2.3
-Cflags: -fPIC -I${includedir}/foo -DQUOTED="'${prefix}/share/doc'"
-Cflags.private: -DFOO_STATIC
diff --git a/tests/lib1/fragment-quoting-6.pc b/tests/lib1/fragment-quoting-6.pc
deleted file mode 100644
index 191acd9..0000000
--- a/tests/lib1/fragment-quoting-6.pc
+++ /dev/null
@@ -1,10 +0,0 @@
-prefix=/test
-exec_prefix=${prefix}
-libdir=${prefix}/lib
-includedir=${prefix}/include
-
-Name: fragment-quoting-6
-Description: A testing pkg-config file
-Version: 1.2.3
-Cflags: -fPIC -I${includedir}/foo -DQUOTED=\'${prefix}/share/doc\'
-Cflags.private: -DFOO_STATIC
diff --git a/tests/parser.sh b/tests/parser.sh
index 849ef23..5483b55 100755
--- a/tests/parser.sh
+++ b/tests/parser.sh
@@ -23,9 +23,7 @@ tests_init \
 	fragment_quoting \
 	fragment_quoting_2 \
 	fragment_quoting_3 \
-	fragment_quoting_4 \
 	fragment_quoting_5 \
-	fragment_quoting_6 \
 	fragment_quoting_7
 
 comments_body()
@@ -125,7 +123,7 @@ quoted_body()
 {
 	export PKG_CONFIG_PATH="${selfdir}/lib1"
 	atf_check \
-		-o inline:"-DQUOTED=\\\"bla\\\" \n" \
+		-o inline:"'-DQUOTED=\"bla\"' \n" \
 		pkgconf --cflags quotes
 }
 
@@ -173,7 +171,7 @@ fragment_quoting_body()
 {
 	export PKG_CONFIG_PATH="${selfdir}/lib1"
 	atf_check \
-		-o inline:"-fPIC -I/test/include/foo -DQUOTED=\\\"/test/share/doc\\\" \n" \
+		-o inline:"-fPIC -I/test/include/foo '-DQUOTED=\"/test/share/doc\"' \n" \
 		pkgconf --cflags fragment-quoting
 }
 
@@ -189,18 +187,10 @@ fragment_quoting_3_body()
 {
 	export PKG_CONFIG_PATH="${selfdir}/lib1"
 	atf_check \
-		-o inline:"-fPIC -I/test/include/foo -DQUOTED=\\\"/test/share/doc\\\" \n" \
+		-o inline:"-fPIC -I/test/include/foo '-DQUOTED=\"/test/share/doc\"' \n" \
 		pkgconf --cflags fragment-quoting-3
 }
 
-fragment_quoting_4_body()
-{
-	export PKG_CONFIG_PATH="${selfdir}/lib1"
-	atf_check \
-		-o inline:"-fPIC -I/test/include/foo -DQUOTED=\\\'/test/share/doc\\\' \n" \
-		pkgconf --cflags fragment-quoting-4
-}
-
 fragment_quoting_5_body()
 {
 	export PKG_CONFIG_PATH="${selfdir}/lib1"
@@ -209,14 +199,6 @@ fragment_quoting_5_body()
 		pkgconf --cflags fragment-quoting-5
 }
 
-fragment_quoting_6_body()
-{
-	export PKG_CONFIG_PATH="${selfdir}/lib1"
-	atf_check \
-		-o inline:"-fPIC -I/test/include/foo -DQUOTED=\\\'/test/share/doc\\\' \n" \
-		pkgconf --cflags fragment-quoting-6
-}
-
 fragment_quoting_7_body()
 {
 	export PKG_CONFIG_PATH="${selfdir}/lib1"