diff --git a/libpng-config.in b/libpng-config.in
index 3739eb9..7f6b2cc 100644
--- a/libpng-config.in
+++ b/libpng-config.in
@@ -13,7 +13,6 @@
 
 version=`pkg-config --modversion libpng`
 prefix=`pkg-config --variable prefix libpng`
-exec_prefix=`pkg-config --variable exec_prefix libpng`
 libdir=`pkg-config --variable libdir libpng`
 includedir=`pkg-config --variable includedir libpng`
 libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@"