diff --git a/dev-java/antlr/files/antlr-4.4-build.xml.patch b/dev-java/antlr/files/antlr-4.4-build.xml.patch
deleted file mode 100644
index 1e64d30e9fc3b..0000000000000
--- a/dev-java/antlr/files/antlr-4.4-build.xml.patch
+++ /dev/null
@@ -1,20 +0,0 @@
---- build.xml.orig	2015-05-20 19:58:28.345000000 +0000
-+++ build.xml	2015-05-20 19:58:44.809000000 +0000
-@@ -11,8 +11,6 @@
-         <property name="antlr3.version" value="3.5.2"/>
-         <property name="antlr3.jar.name" value="antlr-${antlr3.version}-complete-no-st3.jar"/>
-         <property name="antlr3.jar" value="${lib.dir}/${antlr3.jar.name}"/>
--        <mkdir dir="${lib.dir}"/>
--        <get src="http://www.antlr3.org/download/${antlr3.jar.name}" dest="${antlr3.jar}" skipexisting="true"/>
-         <path id="cp.antlr3" path="${antlr3.jar}"/>
- 
-         <property name="build.antlr3.dir" value="${build.dir}/generated-sources/antlr3" />
-@@ -23,8 +21,6 @@
-         <property name="antlr4.version" value="4.3"/>
-         <property name="antlr4.jar.name" value="antlr-${antlr4.version}-complete.jar"/>
-         <property name="antlr4.jar" value="${lib.dir}/${antlr4.jar.name}"/>
--        <mkdir dir="${lib.dir}"/>
--        <get src="http://www.antlr.org/download/${antlr4.jar.name}" dest="${antlr4.jar}" skipexisting="true"/>
-         <path id="cp.antlr4" path="${antlr4.jar}"/>
- 
-         <property name="build.antlr4.dir" value="${build.dir}/generated-sources/antlr4" />
diff --git a/dev-java/antlr/files/antlr.pc.in b/dev-java/antlr/files/antlr.pc.in
deleted file mode 100644
index fb5480637a90e..0000000000000
--- a/dev-java/antlr/files/antlr.pc.in
+++ /dev/null
@@ -1,9 +0,0 @@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-
-
-Name: antlr
-Description: ANother Tool for Language Recognition
-Version: @VERSION@
-Libs: @libs@