diff --git a/test/src/unit-cppapi-consolidation-with-timestamps.cc b/test/src/unit-cppapi-consolidation-with-timestamps.cc
index e6f9fbc1a1a..23e09248c0a 100644
--- a/test/src/unit-cppapi-consolidation-with-timestamps.cc
+++ b/test/src/unit-cppapi-consolidation-with-timestamps.cc
@@ -636,7 +636,7 @@ TEST_CASE_METHOD(
 
   // Will only allow to load two tiles out of 3.
   Config cfg;
-  cfg.set("sm.mem.total_budget", "65000");
+  cfg.set("sm.mem.total_budget", "50000");
   cfg.set("sm.mem.reader.sparse_global_order.ratio_coords", "0.15");
   ctx_ = Context(cfg);
 
@@ -685,7 +685,7 @@ TEST_CASE_METHOD(
 
   // Will only allow to load two tiles out of 3.
   Config cfg;
-  cfg.set("sm.mem.total_budget", "60000");
+  cfg.set("sm.mem.total_budget", "50000");
   cfg.set("sm.mem.reader.sparse_global_order.ratio_coords", "0.15");
   ctx_ = Context(cfg);
 
diff --git a/test/src/unit-sparse-global-order-reader.cc b/test/src/unit-sparse-global-order-reader.cc
index 3c7faec7ea2..2c5cf6d215a 100644
--- a/test/src/unit-sparse-global-order-reader.cc
+++ b/test/src/unit-sparse-global-order-reader.cc
@@ -564,7 +564,7 @@ TEST_CASE_METHOD(
 
   // Specific relationship for failure not known, but these values
   // will result in failure with data being written.
-  total_budget_ = "30000";
+  total_budget_ = "10000";
   // Failure here occurs with the value of 0.1 for ratio_tile_ranges_.
   update_config();
 
@@ -653,7 +653,7 @@ TEST_CASE_METHOD(
 
   // specific relationship for failure not known, but these values
   // will result in failure with data being written.
-  total_budget_ = "40000";
+  total_budget_ = "15000";
   // Failure here occurs with the value of 0.1 for ratio_tile_ranges_.
   update_config();
 
@@ -789,9 +789,9 @@ TEST_CASE_METHOD(
     write_1d_fragment(coords, &coords_size, data, &data_size);
   }
 
-  // Two result tiles (2 * (~4500 + 8) will be bigger than the per fragment
-  // budget (3905).
-  total_budget_ = "82000";
+  // Two result tiles (2 * (3216 + 8) will be bigger than the per fragment
+  // budget (3300).
+  total_budget_ = "60000";
   ratio_coords_ = "0.11";
   update_config();
 
@@ -1312,9 +1312,9 @@ TEST_CASE_METHOD(
     write_1d_fragment(coords, &coords_size, data, &data_size);
   }
 
-  // Two result tile (2 * (~4500 + 8) will be bigger than the per fragment
-  // budget (1000).
-  total_budget_ = "45000";
+  // Two result tile (2 * (3216 + 8) will be bigger than the per fragment
+  // budget (4400).
+  total_budget_ = "40000";
   ratio_coords_ = "0.22";
   update_config();