diff --git a/CMakeLists.txt b/CMakeLists.txt
index 765d48286..1da709afa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,13 +107,6 @@ else()
     set(CMAKE_CXX_FLAGS_DEBUG "-g")
 endif()
 
-# ndebug
-option(NDEBUG "No debug" OFF)
-message(STATUS "NDEBUG: ${NDEBUG} (be careful CMAKE_BUILD_TYPE can also \
-append this flag)")
-if(NDEBUG)
-    add_definitions( -DNDEBUG )
-endif()
 # -----------------------------------------------------------------------------
 
 # default build type is debug
@@ -127,11 +120,6 @@ message(STATUS "CMake build type: ${CMAKE_BUILD_TYPE}")
 
 # threading
 find_package(Threads REQUIRED)
-
-# optional Ltalloc
-option(USE_LTALLOC "Use Ltalloc instead of default allocator (default OFF). \
-Set this to ON to link with Ltalloc." OFF)
-
 # optional readline
 option(USE_READLINE "Use GNU Readline library if available (default ON). \
 Set this to OFF to prevent linking with Readline even if it is available." ON)
@@ -142,9 +130,6 @@ if (USE_READLINE)
   endif()
 endif()
 
-# OpenSSL
-find_package(OpenSSL REQUIRED)
-
 set(libs_dir ${CMAKE_SOURCE_DIR}/libs)
 add_subdirectory(libs EXCLUDE_FROM_ALL)
 
@@ -152,11 +137,9 @@ add_subdirectory(libs EXCLUDE_FROM_ALL)
 option(TEST_COVERAGE "Generate coverage reports from running memgraph" OFF)
 option(TOOLS "Build tools binaries" ON)
 option(QUERY_MODULES "Build query modules containing custom procedures" ON)
-option(MG_COMMUNITY "Build Memgraph Community Edition" OFF)
 option(ASAN "Build with Address Sanitizer. To get a reasonable performance option should be used only in Release or RelWithDebInfo build " OFF)
 option(TSAN "Build with Thread Sanitizer. To get a reasonable performance option should be used only in Release or RelWithDebInfo build " OFF)
 option(UBSAN "Build with Undefined Behaviour Sanitizer" OFF)
-option(THIN_LTO "Build with link time optimization" OFF)
 
 if (TEST_COVERAGE)
   string(TOLOWER ${CMAKE_BUILD_TYPE} lower_build_type)
@@ -167,10 +150,6 @@ if (TEST_COVERAGE)
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-instr-generate -fcoverage-mapping")
 endif()
 
-if (MG_COMMUNITY)
-  add_definitions(-DMG_COMMUNITY)
-endif()
-
 if (ASAN)
   # Enable Addres sanitizer and get nicer stack traces in error messages.
   # NOTE: AddressSanitizer uses llvm-symbolizer binary from the Clang
@@ -222,11 +201,6 @@ if (UBSAN)
   # Make sure llvm-symbolizer binary is in path
 endif()
 
-if (THIN_LTO)
-  set(CMAKE_CXX_FLAGS"${CMAKE_CXX_FLAGS} -flto=thin")
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto=thin")
-endif()
-
 # Add subprojects
 include_directories(src)
 add_subdirectory(src)
diff --git a/libs/CMakeLists.txt b/libs/CMakeLists.txt
index 6d78924cd..b947dd0c9 100644
--- a/libs/CMakeLists.txt
+++ b/libs/CMakeLists.txt
@@ -107,12 +107,6 @@ import_external_library(fmt STATIC
   # Skip testing.
   CMAKE_ARGS -DFMT_TEST=OFF)
 
-
-# Setup ltalloc library
-add_library(ltalloc STATIC ltalloc/ltalloc.cc)
-# TODO(mferencevic): Enable this when clang on apollo is updated
-#target_compile_options(ltalloc PUBLIC -flto)
-
 # setup rapidcheck (it cannot be external, since it doesn't have install
 # target)
 set(RC_ENABLE_GTEST ON CACHE BOOL "Build Google Test integration" FORCE)
diff --git a/libs/setup.sh b/libs/setup.sh
index 5d9163b9e..54431ee7c 100755
--- a/libs/setup.sh
+++ b/libs/setup.sh
@@ -116,11 +116,6 @@ cd json
 wget -nv http://deps.memgraph.io/json.hpp
 cd ..
 
-# ltalloc
-# git clone https://github.com/r-lyeh/ltalloc.git
-ltalloc_tag="43b51c14857111f993f277c46151fdfac91525a2" # Nov 16, 2017
-clone git://deps.memgraph.io/ltalloc.git ltalloc $ltalloc_tag
-
 bzip2_tag="0405487e2b1de738e7f1c8afb50d19cf44e8d580"  # v1.0.6 (May 26, 2011)
 clone git://deps.memgraph.io/bzip2.git bzip2 $bzip2_tag
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 70714dbff..f0a70c008 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -97,12 +97,6 @@ add_subdirectory(audit)
 #    mg-utils mg-io mg-requests mg-communication mg-rpc
 #    mg-auth mg-audit)
 #
-#if (USE_LTALLOC)
-#  list(APPEND MG_SINGLE_NODE_HA_LIBS ltalloc)
-#  # TODO(mferencevic): Enable this when clang is updated on apollo.
-#  # set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
-#endif()
-#
 #add_library(mg-single-node-ha STATIC ${mg_single_node_ha_sources})
 #target_include_directories(mg-single-node-ha PUBLIC ${CMAKE_SOURCE_DIR}/include)
 #target_link_libraries(mg-single-node-ha ${MG_SINGLE_NODE_HA_LIBS})
@@ -145,12 +139,6 @@ set(MG_SINGLE_NODE_V2_LIBS stdc++fs Threads::Threads
 # These are enterprise subsystems
 set(MG_SINGLE_NODE_V2_LIBS ${MG_SINGLE_NODE_V2_LIBS} mg-auth mg-audit)
 
-if (USE_LTALLOC)
-  list(APPEND MG_SINGLE_NODE_V2_LIBS ltalloc)
-  # TODO(mferencevic): Enable this when clang is updated on apollo.
-  # set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
-endif()
-
 # memgraph main executable
 add_executable(memgraph ${mg_single_node_v2_sources})
 target_include_directories(memgraph PUBLIC ${CMAKE_SOURCE_DIR}/include)
diff --git a/src/communication/CMakeLists.txt b/src/communication/CMakeLists.txt
index b537cf6db..c952a3030 100644
--- a/src/communication/CMakeLists.txt
+++ b/src/communication/CMakeLists.txt
@@ -8,5 +8,7 @@ set(communication_src_files
 
 add_library(mg-communication STATIC ${communication_src_files})
 target_link_libraries(mg-communication Threads::Threads mg-utils mg-io fmt glog gflags)
+
+find_package(OpenSSL REQUIRED)
 target_link_libraries(mg-communication ${OPENSSL_LIBRARIES})
 target_include_directories(mg-communication SYSTEM PUBLIC ${OPENSSL_INCLUDE_DIR})