diff --git a/.cproject b/.cproject
index 1e8b6d49..820f1cc6 100644
--- a/.cproject
+++ b/.cproject
@@ -35,7 +35,7 @@
 					<folderInfo id="cdt.managedbuild.config.gnu.exe.debug.1168214098." name="/" resourcePath="">
 						<toolChain id="cdt.managedbuild.toolchain.gnu.exe.debug.965909756" name="Linux GCC" nonInternalBuilderId="cdt.managedbuild.target.gnu.builder.exe.debug" superClass="cdt.managedbuild.toolchain.gnu.exe.debug">
 							<targetPlatform id="cdt.managedbuild.target.gnu.platform.exe.debug.1799148153" name="Debug Platform" superClass="cdt.managedbuild.target.gnu.platform.exe.debug"/>
-							<builder arguments="-e GAME=tf2 NOIPC=1 BUILD_DEBUG=1" buildPath="${workspace_loc:/cathook}" command="make" id="cdt.managedbuild.target.gnu.builder.exe.debug.1548213350" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="cdt.managedbuild.target.gnu.builder.exe.debug"/>
+							<builder arguments="-e GAME=tf2 NOIPC=1 BUILD_DEBUG=1 CC=gcc-7 CXX=g++-7" buildPath="${workspace_loc:/cathook}" command="make" id="cdt.managedbuild.target.gnu.builder.exe.debug.1548213350" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="cdt.managedbuild.target.gnu.builder.exe.debug"/>
 							<tool id="cdt.managedbuild.tool.gnu.archiver.base.782611349" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.base"/>
 							<tool command="g++" id="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug.883030293" name="GCC C++ Compiler" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug">
 								<option id="gnu.cpp.compiler.exe.debug.option.optimization.level.908662295" name="Optimization Level" superClass="gnu.cpp.compiler.exe.debug.option.optimization.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.optimization.level.none" valueType="enumerated"/>
diff --git a/README.md b/README.md
index a7324b5a..cec0b7d4 100644
--- a/README.md
+++ b/README.md
@@ -26,9 +26,7 @@ and a lot of useful features, including
 
 # INSTALLATION
 
-You **have** to use gcc6, not 7 or 5!
-
-You also have to have g++-6-multilib package.
+You can use gcc-7 for compiling cathook if you add `-e CC=gcc-7 CXX=g++-7` to make command line
 
 Ubuntu gcc6 installation: (check if you have gcc-6 installed already by typing `gcc-6 -v`
 ```bash
diff --git a/makefile b/makefile
index bb4f5f96..f4c218a0 100644
--- a/makefile
+++ b/makefile
@@ -152,6 +152,8 @@ $(TARGET): $(OBJECTS)
 clean:
 	find src -type f -name '*.o' -delete
 	find src -type f -name '*.d' -delete
+	find simple-ipc -type f -name '*.o' -delete
+	find simple-ipc -type f -name '*.d' -delete
 	rm -rf ./bin
 
 ifneq ($(MAKECMDGOALS), clean)