diff --git a/buildsys.mk.in b/buildsys.mk.in
index 2119872..513b23a 100644
--- a/buildsys.mk.in
+++ b/buildsys.mk.in
@@ -48,12 +48,10 @@ PYTHON_FLAGS = @PYTHON_FLAGS@
 PROG_IMPLIB_NEEDED = @PROG_IMPLIB_NEEDED@
 PROG_IMPLIB_LDFLAGS = @PROG_IMPLIB_LDFLAGS@
 PROG_SUFFIX = @EXEEXT@
-LIB_CPPFLAGS = @LIB_CPPFLAGS@
 LIB_CFLAGS = @LIB_CFLAGS@
 LIB_LDFLAGS = @LIB_LDFLAGS@
 LIB_PREFIX = @LIB_PREFIX@
 LIB_SUFFIX = @LIB_SUFFIX@
-PLUGIN_CPPFLAGS = @PLUGIN_CPPFLAGS@
 PLUGIN_CFLAGS = @PLUGIN_CFLAGS@
 PLUGIN_LDFLAGS = @PLUGIN_LDFLAGS@
 PLUGIN_SUFFIX = @PLUGIN_SUFFIX@
diff --git a/configure.ac b/configure.ac
index ea80c1b..ef9bc49 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,16 +27,10 @@ dnl can easier split your program into multiple directories), you need to
 dnl uncomment the following line.
 dnl AC_PATH_TOOL(AR, ar)
 
-dnl If you want to build a shared library, you need to call BUILDSYS_LIB.
+dnl If you want to build a shared library, you need to call BUILDSYS_SHARED_LIB.
 dnl It will automatically set the required LIB_* and PLUGIN_* variables.
 dnl See m4/buildsys.m4 for more details.
 dnl Uncomment the following line if you want to build a shared library.
-dnl BUILDSYS_LIB
-dnl The above line gives the user the possibility to disable shared libraries
-dnl and build it as a static one. If you want to enforce shared libraries, use
-dnl the line below. The flags for shared libraries will be set to the flags for
-dnl static libraries then. Keep in mind that plugins don't work with static
-dnl libraries!
 dnl BUILDSYS_SHARED_LIB
 
 dnl If your program uses plugins and should run on win32 as well, you need to