diff --git a/ogcore/output_plots.py b/ogcore/output_plots.py
index fdc07a224..b1d07d70a 100644
--- a/ogcore/output_plots.py
+++ b/ogcore/output_plots.py
@@ -1,6 +1,7 @@
 import numpy as np
 import os
 import matplotlib.pyplot as plt
+import matplotlib.ticker as mticker
 from mpl_toolkits.mplot3d import Axes3D
 import matplotlib
 from ogcore.constants import (
@@ -391,7 +392,7 @@ def ss_3Dplot(
         data = (reform_ss[var] - base_ss[var]).T
     elif plot_type == "pct_diff":
         data = ((reform_ss[var] - base_ss[var]) / base_ss[var]).T
-    cmap1 = matplotlib.cm.get_cmap("jet")
+    cmap1 = matplotlib.colormaps.get_cmap("jet")
     X, Y = np.meshgrid(domain, Jgrid)
     fig5, ax5 = plt.subplots(subplot_kw={"projection": "3d"})
     ax5.set_xlabel(r"age-$s$")
@@ -652,7 +653,7 @@ def ability_bar_ss(
     plt.ylabel(r"Percentage Change in " + VAR_LABELS[var])
     if plot_title:
         plt.title(plot_title, fontsize=15)
-    plt.legend(loc=9, bbox_to_anchor=(0.5, -0.15), ncol=2)
+    # plt.legend(loc=9, bbox_to_anchor=(0.5, -0.15), ncol=2)
     if path:
         fig_path1 = os.path.join(path)
         plt.savefig(fig_path1, bbox_inches="tight", dpi=300)
@@ -1199,14 +1200,17 @@ def inequality_plot(
         plt.title(plot_title, fontsize=15)
     vals = ax1.get_yticks()
     if plot_type == "pct_diff":
-        ax1.set_yticklabels(["{:,.2%}".format(x) for x in vals])
+        ticks_loc = ax1.get_yticks().tolist()
+        ax1.yaxis.set_major_locator(mticker.FixedLocator(ticks_loc))
+        ax1.set_yticklabels(["{:,.2%}".format(x) for x in ticks_loc])
     plt.xlim(
         (
             base_params.start_year - 1,
             base_params.start_year + num_years_to_plot,
         )
     )
-    plt.legend(loc=9, bbox_to_anchor=(0.5, -0.15), ncol=2)
+    if plot_type == "levels":
+        plt.legend(loc=9, bbox_to_anchor=(0.5, -0.15), ncol=2)
     if path:
         fig_path1 = os.path.join(path)
         plt.savefig(fig_path1, bbox_inches="tight", dpi=300)
diff --git a/ogcore/parameter_plots.py b/ogcore/parameter_plots.py
index 78a83d25e..96648f36b 100644
--- a/ogcore/parameter_plots.py
+++ b/ogcore/parameter_plots.py
@@ -3,6 +3,7 @@
 import os
 import matplotlib.pyplot as plt
 import matplotlib
+import matplotlib.ticker as mticker
 from ogcore.constants import GROUP_LABELS
 from ogcore import utils, txfunc
 from ogcore.constants import DEFAULT_START_YEAR, VAR_LABELS
@@ -107,8 +108,9 @@ def plot_mort_rates(
         plt.ylabel(r"Mortality Rates $\rho_{s}$")
         plt.legend(loc="upper left")
         title = "Mortality Rates"
-    vals = ax.get_yticks()
-    ax.set_yticklabels(["{:,.0%}".format(x) for x in vals])
+    ticks_loc = ax.get_yticks().tolist()
+    ax.yaxis.set_major_locator(mticker.FixedLocator(ticks_loc))
+    ax.set_yticklabels(["{:,.0%}".format(x) for x in ticks_loc])
     if include_title:
         plt.title(title)
     if path is None:
@@ -150,8 +152,9 @@ def plot_pop_growth(
     plt.plot(year_vec, p.g_n[start_index : start_index + num_years_to_plot])
     plt.xlabel(r"Year $t$")
     plt.ylabel(r"Population Growth Rate $g_{n, t}$")
-    vals = ax.get_yticks()
-    ax.set_yticklabels(["{:,.2%}".format(x) for x in vals])
+    ticks_loc = ax.get_yticks().tolist()
+    ax.yaxis.set_major_locator(mticker.FixedLocator(ticks_loc))
+    ax.set_yticklabels(["{:,.2%}".format(x) for x in ticks_loc])
     if include_title:
         plt.title("Population Growth Rates")
     if path is None:
@@ -485,9 +488,11 @@ def plot_g_n(p_list, label_list=[""], include_title=False, path=None):
         plt.plot(years, p.g_n[: p.T], label=label_list[i])
     plt.xlabel(r"Year $s$ (model periods)")
     plt.ylabel(r"Population Growth Rate $g_{n,t}$")
-    plt.legend(loc="upper right")
-    vals = ax.get_yticks()
-    ax.set_yticklabels(["{:,.0%}".format(x) for x in vals])
+    if label_list[0] != "":
+        plt.legend(loc="upper right")
+    ticks_loc = ax.get_yticks().tolist()
+    ax.yaxis.set_major_locator(mticker.FixedLocator(ticks_loc))
+    ax.set_yticklabels(["{:,.0%}".format(x) for x in ticks_loc])
     if include_title:
         plt.title("Population Growth Rates")
     if path is None:
@@ -972,7 +977,7 @@ def plot_income_data(
         t = -1
     J = abil_midp.shape[0]
     abil_mesh, age_mesh = np.meshgrid(abil_midp, ages)
-    cmap1 = matplotlib.cm.get_cmap("summer")
+    cmap1 = matplotlib.colormaps["summer"]
     if path:
         # Make sure that directory is created
         utils.mkdirs(path)
diff --git a/tests/test_output_plots.py b/tests/test_output_plots.py
index de4425061..63ba598e8 100644
--- a/tests/test_output_plots.py
+++ b/tests/test_output_plots.py
@@ -7,6 +7,7 @@
 import sys
 import numpy as np
 import matplotlib.image as mpimg
+import matplotlib.pyplot as plt
 from ogcore import utils, output_plots, constants
 
 
@@ -166,6 +167,7 @@ def test_plot_aggregates(
         plot_title=plot_title,
     )
     assert fig
+    plt.close()
 
 
 test_data = [
@@ -217,6 +219,7 @@ def test_plot_industry_aggregates(
         plot_title=plot_title,
     )
     assert fig
+    plt.close()
 
 
 test_data = [
@@ -300,6 +303,7 @@ def test_plot_gdp_ratio(
         plot_title=plot_title,
     )
     assert fig
+    plt.close()
 
 
 def test_plot_gdp_ratio_save_fig(tmpdir):
@@ -327,6 +331,7 @@ def test_ability_bar():
         plot_title=" Test Plot Title",
     )
     assert fig
+    plt.close()
 
 
 def test_ability_bar_save_fig(tmpdir):
@@ -353,6 +358,7 @@ def test_ability_bar_ss():
         plot_title=" Test Plot Title",
     )
     assert fig
+    plt.close()
 
 
 data_for_plot = np.ones(80) * 0.3
@@ -374,6 +380,7 @@ def test_ss_profiles(by_j, plot_data):
         plot_title=" Test Plot Title",
     )
     assert fig
+    plt.close()
 
 
 def test_ss_profiles_save_fig(tmpdir):
@@ -398,6 +405,7 @@ def test_tpi_profiles(by_j):
         plot_title=" Test Plot Title",
     )
     assert fig
+    plt.close()
 
 
 test_data = [
@@ -454,6 +462,7 @@ def test_ss_3Dplot(
         plot_title=plot_title,
     )
     assert fig
+    plt.close()
 
 
 def test_ss_3Dplot_save_fig(tmpdir):
@@ -540,6 +549,7 @@ def test_inequality_plot(
         plot_type=plot_type,
     )
     assert fig
+    plt.close()
 
 
 def test_inequality_plot_save_fig(tmpdir):
diff --git a/tests/test_parameter_plots.py b/tests/test_parameter_plots.py
index c5b1b51cf..12c9eb694 100644
--- a/tests/test_parameter_plots.py
+++ b/tests/test_parameter_plots.py
@@ -6,6 +6,7 @@
 import os
 import sys
 import numpy as np
+import matplotlib.pyplot as plt
 import scipy.interpolate as si
 import matplotlib.image as mpimg
 from ogcore import utils, parameter_plots, Specifications
@@ -74,6 +75,7 @@ def test_plot_imm_rates_save_fig(tmpdir):
 def test_plot_mort_rates():
     fig = parameter_plots.plot_mort_rates([base_params], include_title=True)
     assert fig
+    plt.close()
 
 
 def test_plot_surv_rates():
@@ -81,6 +83,7 @@ def test_plot_surv_rates():
         [base_params], survival_rates=True, include_title=True
     )
     assert fig
+    plt.close()
 
 
 def test_plot_mort_rates_save_fig(tmpdir):
@@ -104,6 +107,7 @@ def test_plot_pop_growth():
         base_params, start_year=int(base_params.start_year), include_title=True
     )
     assert fig
+    plt.close()
 
 
 def test_plot_pop_growth_rates_save_fig(tmpdir):
@@ -119,6 +123,7 @@ def test_plot_ability_profiles():
     p = Specifications()
     fig = parameter_plots.plot_ability_profiles(p, p2=p, include_title=True)
     assert fig
+    plt.close()
 
 
 def test_plot_log_ability_profiles():
@@ -127,6 +132,7 @@ def test_plot_log_ability_profiles():
         p, p2=p, log_scale=True, include_title=True
     )
     assert fig
+    plt.close()
 
 
 def test_plot_ability_profiles_save_fig(tmpdir):
@@ -144,6 +150,7 @@ def test_plot_elliptical_u():
     )
     assert fig1
     assert fig2
+    plt.close()
 
 
 def test_plot_elliptical_u_save_fig(tmpdir):
@@ -157,6 +164,7 @@ def test_plot_chi_n():
     p = Specifications()
     fig = parameter_plots.plot_chi_n([p], include_title=True)
     assert fig
+    plt.close()
 
 
 def test_plot_chi_n_save_fig(tmpdir):
@@ -177,6 +185,7 @@ def test_plot_population(years_to_plot):
         base_params, years_to_plot=years_to_plot, include_title=True
     )
     assert fig
+    plt.close()
 
 
 def test_plot_population_save_fig(tmpdir):
@@ -215,6 +224,7 @@ def test_plot_fert_rates():
     fert_rates = np.random.uniform(size=totpers).reshape((1, totpers))
     fig = parameter_plots.plot_fert_rates([fert_rates], include_title=True)
     assert fig
+    plt.close()
 
 
 def test_plot_fert_rates_save_fig(tmpdir):
@@ -258,6 +268,7 @@ def test_plot_g_n():
     p = Specifications()
     fig = parameter_plots.plot_g_n([p], include_title=True)
     assert fig
+    plt.close()
 
 
 def test_plot_g_n_savefig(tmpdir):
@@ -276,6 +287,7 @@ def test_plot_mort_rates_data():
         path=None,
     )
     assert fig
+    plt.close()
 
 
 def test_plot_mort_rates_data_save_fig(tmpdir):
@@ -300,6 +312,7 @@ def test_plot_omega_fixed():
         age_per_EpS, omega_SS_orig, omega_SSfx, E, S
     )
     assert fig
+    plt.close()
 
 
 def test_plot_omega_fixed_save_fig(tmpdir):
@@ -326,6 +339,7 @@ def test_plot_imm_fixed():
         age_per_EpS, imm_rates_orig, imm_rates_adj, E, S
     )
     assert fig
+    plt.close()
 
 
 def test_plot_imm_fixed_save_fig(tmpdir):
@@ -360,6 +374,7 @@ def test_plot_population_path():
         S,
     )
     assert fig
+    plt.close()
 
 
 def test_plot_population_path_save_fig(tmpdir):
@@ -398,6 +413,7 @@ def test_plot_income_data():
     fig = parameter_plots.plot_income_data(ages, abil_midp, abil_pcts, emat)
 
     assert fig
+    plt.close()
 
 
 def test_plot_income_data_save_fig(tmpdir):
@@ -481,6 +497,7 @@ def test_plot_2D_taxfunc(
         )
 
         assert fig
+        plt.close()
     else:
         assert True