diff --git a/plugins/python-build/bin/python-build b/plugins/python-build/bin/python-build
index eca00319..0b29c4e5 100755
--- a/plugins/python-build/bin/python-build
+++ b/plugins/python-build/bin/python-build
@@ -2067,25 +2067,12 @@ DEFINITION_PATH="${ARGUMENTS[0]}"
 if [ -z "$DEFINITION_PATH" ]; then
   usage 1 >&2
 elif [ ! -f "$DEFINITION_PATH" ]; then
-
-  search_definitions() {
-    for DEFINITION_DIR in "${PYTHON_BUILD_DEFINITIONS[@]}"; do
-      if [ -f "${DEFINITION_DIR}/${DEFINITION_PATH}" ]; then
-        DEFINITION_PATH="${DEFINITION_DIR}/${DEFINITION_PATH}"
-        break
-      fi
-    done
-  }
-  
-  search_definitions
-  if [ ! -f "$DEFINITION_PATH" ]; then
-    if RESOLVED_DEFINITION_PATH="$(command -v pyenv-latest >/dev/null && pyenv-latest -k -q "$DEFINITION_PATH")"; then
-      DEFINITION_PATH="$RESOLVED_DEFINITION_PATH"
-      unset RESOLVED_DEFINITION_PATH
-      search_definitions
+  for DEFINITION_DIR in "${PYTHON_BUILD_DEFINITIONS[@]}"; do
+    if [ -f "${DEFINITION_DIR}/${DEFINITION_PATH}" ]; then
+      DEFINITION_PATH="${DEFINITION_DIR}/${DEFINITION_PATH}"
+      break
     fi
-  fi
-  unset search_definitions
+  done
 
   if [ ! -f "$DEFINITION_PATH" ]; then
     echo "python-build: definition not found: ${DEFINITION_PATH}" >&2
diff --git a/plugins/python-build/test/definitions.bats b/plugins/python-build/test/definitions.bats
index 61d318bf..4f9e32a1 100644
--- a/plugins/python-build/test/definitions.bats
+++ b/plugins/python-build/test/definitions.bats
@@ -60,30 +60,11 @@ NUM_DEFINITIONS="$(find "$BATS_TEST_DIRNAME"/../share/python-build -maxdepth 1 -
 }
 
 @test "installing nonexistent definition" {
-  stub pyenv-latest false
   run python-build "nonexistent" "${TMP}/install"
   assert [ "$status" -eq 2 ]
   assert_output "python-build: definition not found: nonexistent"
 }
 
-@test "resolves prefixes via pyenv-latest" {
-  stub pyenv-latest "echo 2.7.8"
-  export PYTHON_BUILD_ROOT="$TMP"
-  mkdir -p "${PYTHON_BUILD_ROOT}/share/python-build"
-  echo 'echo 2.7.8' > "${PYTHON_BUILD_ROOT}/share/python-build/2.7.8"
-  run python-build "2.7" "${TMP}/install"
-  assert_success "2.7.8"
-}
-
-@test "doesn't resolve prefixes if pyenv-latest is unavailable" {
-  export PATH="$(path_without pyenv-latest)"
-  export PYTHON_BUILD_ROOT="$TMP"
-  mkdir -p "${PYTHON_BUILD_ROOT}/share/python-build"
-  echo 'echo 2.7.8' > "${PYTHON_BUILD_ROOT}/share/python-build/2.7.8"
-  run python-build "2.7" "${TMP}/install"
-  assert_failure "python-build: definition not found: 2.7"
-}
-
 @test "sorting Python versions" {
   export PYTHON_BUILD_ROOT="$TMP"
   mkdir -p "${PYTHON_BUILD_ROOT}/share/python-build"