diff --git a/configure.ac b/configure.ac
index 2b6290f..c4a660c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,7 +61,7 @@ if test -n "$kbuilddir"; then
 			echo "WARNING: That kernel version is not officially supported yet. Continue at own luck.";
 		elif test "$kmajor" -eq 4 -a "$kminor" -le 10; then
 			:;
-		elif test "$kmajor" -eq 3 -a "$kminor" -ge 7; then
+		elif test "$kmajor" -eq 3 -a "$kminor" -ge 8; then
 			:;
 		else
 			echo "WARNING: That kernel version is not officially supported.";
diff --git a/doc/changelog.txt b/doc/changelog.txt
index 770ac06..da4d57d 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -3,6 +3,8 @@ HEAD
 ====
 Enhancements:
 - support for Linux up to 4.15
+Changes:
+- remove support for Linux 3.7
 
 
 v2.14 (2017-11-22)
diff --git a/extensions/compat_xtables.h b/extensions/compat_xtables.h
index 354884e..1ab45a9 100644
--- a/extensions/compat_xtables.h
+++ b/extensions/compat_xtables.h
@@ -8,12 +8,8 @@
 
 #define DEBUGP Use__pr_debug__instead
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)
-#	warning Kernels below 3.7 not supported.
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0)
-#	define prandom_u32() random32()
+#	warning Kernels below 3.8 not supported.
 #endif
 
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)