diff --git a/barretenberg/cpp/CMakePresets.json b/barretenberg/cpp/CMakePresets.json
index d54ff10196f5..1c93da119ce7 100644
--- a/barretenberg/cpp/CMakePresets.json
+++ b/barretenberg/cpp/CMakePresets.json
@@ -41,7 +41,9 @@
       "binaryDir": "build",
       "environment": {
         "CC": "zig cc -target native-linux-gnu.2.35",
-        "CXX": "zig c++ -target native-linux-gnu.2.35"
+        "CXX": "zig c++ -target native-linux-gnu.2.35",
+        "CFLAGS": "-g0",
+        "CXXFLAGS": "-g0"
       },
       "cacheVariables": {
         "CMAKE_AR": "${sourceDir}/scripts/zig-ar.sh",
@@ -464,7 +466,9 @@
       "binaryDir": "${sourceDir}/build-${presetName}",
       "environment": {
         "CC": "zig cc",
-        "CXX": "zig c++"
+        "CXX": "zig c++",
+        "CFLAGS": "-g0",
+        "CXXFLAGS": "-g0"
       },
       "cacheVariables": {
         "ENABLE_PIC": "ON",
diff --git a/barretenberg/cpp/cmake/lmdb.cmake b/barretenberg/cpp/cmake/lmdb.cmake
index 1a25e8f5c90c..733ba27cca6e 100644
--- a/barretenberg/cpp/cmake/lmdb.cmake
+++ b/barretenberg/cpp/cmake/lmdb.cmake
@@ -15,7 +15,7 @@ ExternalProject_Add(
     SOURCE_DIR ${LMDB_PREFIX}/src/lmdb_repo
     BUILD_IN_SOURCE YES
     CONFIGURE_COMMAND "" # No configure step
-    BUILD_COMMAND ${CMAKE_COMMAND} -E env CC=${CMAKE_C_COMPILER}${CMAKE_C_COMPILER_ARG1} AR=${CMAKE_AR} make -e -C libraries/liblmdb XCFLAGS=-fPIC liblmdb.a
+    BUILD_COMMAND ${CMAKE_COMMAND} -E env --unset=CFLAGS --unset=CXXFLAGS CC=${CMAKE_C_COMPILER}${CMAKE_C_COMPILER_ARG1} AR=${CMAKE_AR} make -e -C libraries/liblmdb XCFLAGS=-fPIC liblmdb.a
     INSTALL_COMMAND ""
     UPDATE_COMMAND "" # No update step
     BUILD_BYPRODUCTS ${LMDB_LIB}