diff --git a/INSTALL b/INSTALL
index e9fcbfa..326c3d7 100644
--- a/INSTALL
+++ b/INSTALL
@@ -79,12 +79,6 @@ make -j 8 && make install
 
 ./ccminer -n
 
-** Arch Linux notice (need to be checked)**
-For Arch Linux needed add some flags when configuring sources
-extracflags="-march=native -D_REENTRANT -falign-functions=16 -falign-jumps=16 -falign-labels=16" CPPFLAGS='-I/usr/include/openssl-1.0' \
-    LDFLAGS='-L/usr/lib/openssl-1.0 -L/usr/lib' \
-    CUDA_CFLAGS="-O3 -lineno -Xcompiler -Wall  -D_FORCE_INLINES" \
-    ./configure CXXFLAGS="-O3 $extracflags" --with-cuda=/opt/cuda --with-nvml=libnvidia-ml.so
 
 ** How to compile on macOS **
 
diff --git a/README.md b/README.md
index cbfb685..5bcb505 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,6 @@ BTC donation address: 1AJdfCpLWPNoAMDfHF1wD5y8VgKSSTHxPo (tpruvot)
 
 A part of the recent algos were originally written by [djm34](https://github.com/djm34) and [alexis78](https://github.com/alexis78)
 
-Gostd algo by [PurpleI2P](https://github.com/PurpleI2P/) team
-
 This variant was tested and built on Linux (ubuntu server 14.04, 16.04, Fedora 22 to 25)
 It is also built for Windows 7 to 10 with VStudio 2013, to stay compatible with Windows 7 and Vista.
 
diff --git a/ccminer.cpp b/ccminer.cpp
index 5c7cd51..32436b4 100644
--- a/ccminer.cpp
+++ b/ccminer.cpp
@@ -3904,8 +3904,6 @@ int main(int argc, char *argv[])
 			CUDART_VERSION/1000, (CUDART_VERSION % 1000)/10, arch);
 		printf("  Originally based on Christian Buchner and Christian H. project\n");
 		printf("  Include some kernels from alexis78, djm34, djEzo, tsiv and krnlx.\n\n");
-		printf("  GOSTd algo by PurpleI2P team, 2017-2018. Donations are welcome to\n");
-		printf("  address GbD2JSQHBHCKLa9WTHmigJRpyFgmBj4woG. Thanks!\n\n");
 		printf("BTC donation address: 1AJdfCpLWPNoAMDfHF1wD5y8VgKSSTHxPo (tpruvot)\n\n");
 	}
 
diff --git a/ccminer.vcxproj b/ccminer.vcxproj
index d6131a3..f630c03 100644
--- a/ccminer.vcxproj
+++ b/ccminer.vcxproj
@@ -155,7 +155,7 @@
       <MaxRegCount>80</MaxRegCount>
       <PtxAsOptionV>true</PtxAsOptionV>
       <Keep>true</Keep>
-      <CodeGeneration>compute_61,sm_61;compute_52,sm_52;compute_50,sm_50</CodeGeneration>
+      <CodeGeneration>compute_52,sm_52;compute_50,sm_50;compute_30,sm_30</CodeGeneration>
       <AdditionalOptions>--ptxas-options="-O2" --Wno-deprecated-gpu-targets %(AdditionalOptions)</AdditionalOptions>
       <Optimization>O2</Optimization>
     </CudaCompile>
@@ -198,7 +198,7 @@
       <MaxRegCount>80</MaxRegCount>
       <PtxAsOptionV>true</PtxAsOptionV>
       <Keep>true</Keep>
-      <CodeGeneration>compute_61,sm_61;compute_52,sm_52;compute_50,sm_50</CodeGeneration>
+      <CodeGeneration>compute_52,sm_52;compute_50,sm_50;compute_35,sm_35;compute_30,sm_30</CodeGeneration>
       <Include>$(NVTOOLSEXT_PATH)include</Include>
       <Optimization>O3</Optimization>
       <TargetMachinePlatform>64</TargetMachinePlatform>