diff --git a/apps/pdal.pc.in b/apps/pdal.pc.in
index 6885221..cd2136c 100644
--- a/apps/pdal.pc.in
+++ b/apps/pdal.pc.in
@@ -5,7 +5,6 @@ includedir=@CMAKE_INSTALL_PREFIX@/include
 
 Name: PDAL
 Description: Point Data Abstraction Library
-Requires:  @PKGCONFIG_LIBRARY_DEFINITIONS@
 Version: @PDAL_VERSION@
 Libs: -L${libdir} -l@PDAL_LIB_NAME@
 Cflags: -I${includedir}/pdal  @PDAL_CONFIG_DEFINITIONS@