diff --git a/samples/0_Intro/bit_extract/CMakeLists.txt b/samples/0_Intro/bit_extract/CMakeLists.txt
index ec3930f691..c9b13be812 100644
--- a/samples/0_Intro/bit_extract/CMakeLists.txt
+++ b/samples/0_Intro/bit_extract/CMakeLists.txt
@@ -2,14 +2,6 @@ project(bit_extract)
 
 cmake_minimum_required(VERSION 3.10)
 
-if(NOT DEFINED __HIP_ENABLE_PCH)
-  set(__HIP_ENABLE_PCH ON CACHE BOOL "enable/disable pre-compiled hip headers")
-endif()
-
-if(${__HIP_ENABLE_PCH})
-  add_definitions(-D__HIP_ENABLE_PCH)
-endif()
-
 # Search for rocm in common locations
 list(APPEND CMAKE_PREFIX_PATH /opt/rocm/hip /opt/rocm)
 
diff --git a/samples/0_Intro/bit_extract/bit_extract.cpp b/samples/0_Intro/bit_extract/bit_extract.cpp
index 1f7770ccb5..e87124f47f 100644
--- a/samples/0_Intro/bit_extract/bit_extract.cpp
+++ b/samples/0_Intro/bit_extract/bit_extract.cpp
@@ -54,20 +54,6 @@ int main(int argc, char* argv[]) {
     size_t N = 1000000;
     size_t Nbytes = N * sizeof(uint32_t);
 
-#ifdef __HIP_ENABLE_PCH
-    // Verify hip_pch.o
-    const char* pch = nullptr;
-    unsigned int size = 0;
-    __hipGetPCH(&pch, &size);
-    printf("pch size: %u\n", size);
-    if (size == 0) {
-        printf("__hipGetPCH failed!\n");
-        return -1;
-    } else {
-        printf("__hipGetPCH succeeded!\n");
-    }
-#endif
-
     int deviceId;
     CHECK(hipGetDevice(&deviceId));
     hipDeviceProp_t props;
diff --git a/samples/0_Intro/square/CMakeLists.txt b/samples/0_Intro/square/CMakeLists.txt
index 2e101e1470..845c43fd1f 100644
--- a/samples/0_Intro/square/CMakeLists.txt
+++ b/samples/0_Intro/square/CMakeLists.txt
@@ -7,9 +7,6 @@ cmake_minimum_required(VERSION 3.10)
 # Search for rocm in common locations
 list(APPEND CMAKE_PREFIX_PATH /opt/rocm/hip /opt/rocm)
 
-# create square.cpp
-execute_process(COMMAND sh -c "/opt/rocm/hip/bin/hipify-perl ../square.cu > ../square.cpp")
-
 # Find hip
 find_package(hip)
 
diff --git a/samples/2_Cookbook/12_cmake_hip_add_executable/CMakeLists.txt b/samples/2_Cookbook/12_cmake_hip_add_executable/CMakeLists.txt
index dbfdf9a908..0e8020a67a 100644
--- a/samples/2_Cookbook/12_cmake_hip_add_executable/CMakeLists.txt
+++ b/samples/2_Cookbook/12_cmake_hip_add_executable/CMakeLists.txt
@@ -9,9 +9,6 @@ if(NOT DEFINED HIP_PATH)
 endif()
 set(CMAKE_MODULE_PATH "${HIP_PATH}/cmake" ${CMAKE_MODULE_PATH})
 
-# Search for rocm in common locations
-list(APPEND CMAKE_PREFIX_PATH ${HIP_PATH} /opt/rocm)
-
 project(12_cmake)
 
 set(HIP_CLANG_NUM_PARALLEL_JOBS 2)
diff --git a/samples/2_Cookbook/12_cmake_hip_add_executable/Readme.md b/samples/2_Cookbook/12_cmake_hip_add_executable/Readme.md
index 9aa6b96fab..4e322fd83e 100644
--- a/samples/2_Cookbook/12_cmake_hip_add_executable/Readme.md
+++ b/samples/2_Cookbook/12_cmake_hip_add_executable/Readme.md
@@ -37,13 +37,7 @@ Use the following commands to build and execute the sample
 ```
 mkdir build
 cd build
-
-For shared lib of hip rt,
 cmake ..
-Or for static lib of hip rt,
-cmake -DCMAKE_PREFIX_PATH="/opt/rocm/llvm/lib/cmake" ..
-
-Then,
 make
 ./MatrixTranspose
 ```
diff --git a/samples/README.md b/samples/README.md
index c54ec20b3a..739045382e 100644
--- a/samples/README.md
+++ b/samples/README.md
@@ -12,22 +12,16 @@ make
 
 2.CMakeLists.txt can support shared and static libs of hip-rocclr runtime.
 
-To build a sample, run in the sample folder,
+To build a sample, type in sample folder,
 
-mkdir -p build && cd build
+mkdir build (if build folder is missing)
 
-rm -rf * (to clear up)
-
-a. to build with shared libs, run
+cd build
 
 cmake ..
 
-b. to build with static libs, run
-
-cmake -DCMAKE_PREFIX_PATH="/opt/rocm/llvm/lib/cmake" ..
-
-Then run,
-
 make
 
-Note that if you want debug version, add "-DCMAKE_BUILD_TYPE=Debug" in cmake cmd.
\ No newline at end of file
+If you want debug version, follow,
+
+cmake -DCMAKE_BUILD_TYPE=Debug ..
\ No newline at end of file