diff --git a/gtkwave-3.3.32-old-gtk.patch b/gtkwave-3.3.32-old-gtk.patch
deleted file mode 100644
index 99172f6..0000000
--- a/gtkwave-3.3.32-old-gtk.patch
+++ /dev/null
@@ -1,12 +0,0 @@
---- gtkwave-3.3.32/src/renderopt.c
-+++ gtkwave-3.3.32/src/renderopt.c
-@@ -15,7 +15,9 @@
- #include <errno.h>
- 
- #ifdef WAVE_GTK_UNIX_PRINT
-+#if GTK_CHECK_VERSION(2,14,0)
- #include <gtk/gtkunixprint.h>
-+#endif
- #include <gtk/gtkprintunixdialog.h>
- #endif
- 
diff --git a/gtkwave.spec b/gtkwave.spec
index 04c176a..7307fd3 100644
--- a/gtkwave.spec
+++ b/gtkwave.spec
@@ -3,12 +3,9 @@
 # %%posttrans is available from FC-4, EL-5 onwards
 %global have_posttrans %(expr 0%{?fedora} '>' 3 '|' 0%{?rhel} '>' 4)
 
-# tcl 8.4 or above only available from F-2/RHEL-5
-%global have_tcl84 %(expr 0%{?fedora} '>' 1 '|' 0%{?rhel} '>' 3)
-
 Summary:	Waveform Viewer
 Name:		gtkwave
-Version:	3.3.32
+Version:	3.3.33
 Release:	%{?prerel:0.}1%{?prerel:.%{prerel}}%{?dist}
 License:	GPLv2+
 Group:		Applications/Engineering
@@ -18,26 +15,17 @@ Source1:	gtkwave.desktop
 Source2:	gtkwave-16.png
 Source3:	gtkwave-32.png
 Source4:	gtkwave-48.png
-Patch0:		gtkwave-3.3.32-old-gtk.patch
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(id -nu)
 BuildRequires:	gtk2-devel, bzip2-devel, Judy-devel, xz-devel, zlib-devel
 BuildRequires:	gperf, flex, desktop-file-utils
-%if %{have_tcl84}
 # BR: /usr/include/tcl.h rather than tcl-devel for compatibility with
 # old releases prior to tcl-devel split
-BuildRequires:	/usr/include/tcl.h /usr/include/tk.h
-# We need tcl ≥ 8.4 (FC-2 onwards)
 BuildRequires:	tcl >= 8.4
-%endif
+BuildRequires:	/usr/include/tcl.h /usr/include/tk.h
 # These scriptlet requirements are only needed prior to F-5/RHEL-5,
-# and shared-mime-info is only available from F-2/RHEL-4
 %if 0%{?fedora} < 5 && 0%{?rhel} < 5
-Requires(post): desktop-file-utils
-Requires(postun): desktop-file-utils
-%endif
-%if %{have_tcl84} && 0%{?fedora} < 5 && 0%{?rhel} < 5
-Requires(post): shared-mime-info
-Requires(postun): shared-mime-info
+Requires(post): desktop-file-utils, shared-mime-info
+Requires(postun): desktop-file-utils, shared-mime-info
 %endif
 
 %description
@@ -48,16 +36,10 @@ tools.
 %prep
 %setup -q -n gtkwave-%{version}%{?prerel}
 
-# Fix for builds with gtk2 < 2.14, which don't have gtk/gtkunixprint.h
-%patch0 -p1
-
 %build
 %{configure} \
 	--disable-dependency-tracking \
 	--disable-mime-update \
-%if ! %{have_tcl84}
-	--disable-tcl \
-%endif
 	--enable-judy
 make %{?_smp_mflags}
 
@@ -205,6 +187,17 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 %{_mandir}/man5/gtkwaverc.5*
 
 %changelog
+* Sun Mar  4 2012 Paul Howarth <paul@city-fan.org> 3.3.33-1
+- update to 3.3.33
+  - scan-build fix in vcd_recoder.c
+  - added $timezero tag to VCD files, which allows offsetting all the values
+    in a trace to provide ability for negative time values (currently only VCD,
+    LXT, LXT2, VZT, and FST support this)
+  - fix for timescale 10s and 100s
+- drop patch for builing with gtk2 2.10.0 to 2.14.0, no longer needed
+- drop support for distributions prior to FC-3:
+  - unconditionally build with tcl support
+
 * Sat Feb 18 2012 Paul Howarth <paul@city-fan.org> 3.3.32-1
 - update to 3.3.32
   - turn off loader messages when Tcl is executing a command
diff --git a/sources b/sources
index c9cab3c..753e76f 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-716bba48c1898e39c81b43118e192ac3  gtkwave-3.3.32.tar.gz
+18a8acc803814d4873fd342bc70b6b8a  gtkwave-3.3.33.tar.gz
 2cc7754492918591242bc38a0b11d2a5  gtkwave-16.png
 410c50539074403d3a3240f7c9209b11  gtkwave-32.png
 4fdb2fec2b6d9732e2f111c6cd63b788  gtkwave-48.png