diff --git a/ANNOUNCE b/ANNOUNCE
index 70c3d104b..91d3334ba 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -186,6 +186,7 @@ version 1.5.0beta19 [April 24, 2010]
   Replaced visualc6 and visualc71 projects with new vstudio project 
 
 version 1.5.0beta20 [April 24, 2010]
+  Changed the overly-restrictive permissions of some files.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index f91153053..9b10e928c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2668,6 +2668,7 @@ version 1.5.0beta19 [April 24, 2010]
   Replaced visualc6 and visualc71 projects with new vstudio project 
 
 version 1.5.0beta20 [April 24, 2010]
+  Changed the overly-restrictive permissions of some files.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/config.guess b/config.guess
old mode 100755
new mode 100644
diff --git a/config.sub b/config.sub
old mode 100755
new mode 100644
diff --git a/configure b/configure
old mode 100755
new mode 100644
diff --git a/libpng.pc.in b/libpng.pc.in
deleted file mode 100644
index 3e7e2c58a..000000000
--- a/libpng.pc.in
+++ /dev/null
@@ -1,11 +0,0 @@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
-
-Name: libpng
-Description: Loads and saves PNG files
-Version: @PNGLIB_VERSION@
-Libs: -L${libdir} -lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
-Libs.private: @LIBS@
-Cflags: -I${includedir}
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index 6d7bb210d..3e7e2c58a 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -1,10 +1,11 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
-includedir=@includedir@/libpng15
+includedir=@includedir@/libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
 
 Name: libpng
 Description: Loads and saves PNG files
-Version: 1.5.0beta20
-Libs: -L${libdir} -lpng15
+Version: @PNGLIB_VERSION@
+Libs: -L${libdir} -lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
+Libs.private: @LIBS@
 Cflags: -I${includedir}